221720400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 270

約数和(自身を含む): 847400190

約数和(自身を除く): 625679790

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 110, 120, 121, 132, 144, 150, 165, 176, 180, 198, 200, 220, 225, 240, 242, 264, 275, 300, 330, 360, 363, 396, 400, 440, 450, 484, 495, 509, 528, 550, 600, 605, 660, 720, 726, 792, 825, 880, 900, 968, 990, 1018, 1089, 1100, 1200, 1210, 1320, 1452, 1527, 1584, 1650, 1800, 1815, 1936, 1980, 2036, 2178, 2200, 2420, 2475, 2545, 2640, 2904, 3025, 3054, 3300, 3600, 3630, 3960, 4072, 4356, 4400, 4581, 4840, 4950, 5090, 5445, 5599, 5808, 6050, 6108, 6600, 7260, 7635, 7920, 8144, 8712, 9075, 9162, 9680, 9900, 10180, 10890, 11198, 12100, 12216, 12725, 13200, 14520, 15270, 16797, 17424, 18150, 18324, 19800, 20360, 21780, 22396, 22905, 24200, 24432, 25450, 27225, 27995, 29040, 30540, 33594, 36300, 36648, 38175, 39600, 40720, 43560, 44792, 45810, 48400, 50391, 50900, 54450, 55990, 61080, 61589, 67188, 72600, 73296, 76350, 83985, 87120, 89584, 91620, 100782, 101800, 108900, 111980, 114525, 122160, 123178, 134376, 139975, 145200, 152700, 167970, 183240, 184767, 201564, 203600, 217800, 223960, 229050, 246356, 251955, 268752, 279950, 305400, 307945, 335940, 366480, 369534, 403128, 419925, 435600, 447920, 458100, 492712, 503910, 554301, 559900, 610800, 615890, 671880, 739068, 806256, 839850, 916200, 923835, 985424, 1007820, 1108602, 1119800, 1231780, 1259775, 1343760, 1478136, 1539725, 1679700, 1832400, 1847670, 2015640, 2217204, 2239600, 2463560, 2519550, 2771505, 2956272, 3079450, 3359400, 3695340, 4031280, 4434408, 4619175, 4927120, 5039100, 5543010, 6158900, 6718800, 7390680, 8868816, 9238350, 10078200, 11086020, 12317800, 13857525, 14781360, 18476700, 20156400, 22172040, 24635600, 27715050, 36953400, 44344080, 55430100, 73906800, 110860200, 221720400]

約数ペア:

[(1, 221720400), (2, 110860200), (3, 73906800), (4, 55430100), (5, 44344080), (6, 36953400), (8, 27715050), (9, 24635600), (10, 22172040), (11, 20156400), (12, 18476700), (15, 14781360), (16, 13857525), (18, 12317800), (20, 11086020), (22, 10078200), (24, 9238350), (25, 8868816), (30, 7390680), (33, 6718800), (36, 6158900), (40, 5543010), (44, 5039100), (45, 4927120), (48, 4619175), (50, 4434408), (55, 4031280), (60, 3695340), (66, 3359400), (72, 3079450), (75, 2956272), (80, 2771505), (88, 2519550), (90, 2463560), (99, 2239600), (100, 2217204), (110, 2015640), (120, 1847670), (121, 1832400), (132, 1679700), (144, 1539725), (150, 1478136), (165, 1343760), (176, 1259775), (180, 1231780), (198, 1119800), (200, 1108602), (220, 1007820), (225, 985424), (240, 923835), (242, 916200), (264, 839850), (275, 806256), (300, 739068), (330, 671880), (360, 615890), (363, 610800), (396, 559900), (400, 554301), (440, 503910), (450, 492712), (484, 458100), (495, 447920), (509, 435600), (528, 419925), (550, 403128), (600, 369534), (605, 366480), (660, 335940), (720, 307945), (726, 305400), (792, 279950), (825, 268752), (880, 251955), (900, 246356), (968, 229050), (990, 223960), (1018, 217800), (1089, 203600), (1100, 201564), (1200, 184767), (1210, 183240), (1320, 167970), (1452, 152700), (1527, 145200), (1584, 139975), (1650, 134376), (1800, 123178), (1815, 122160), (1936, 114525), (1980, 111980), (2036, 108900), (2178, 101800), (2200, 100782), (2420, 91620), (2475, 89584), (2545, 87120), (2640, 83985), (2904, 76350), (3025, 73296), (3054, 72600), (3300, 67188), (3600, 61589), (3630, 61080), (3960, 55990), (4072, 54450), (4356, 50900), (4400, 50391), (4581, 48400), (4840, 45810), (4950, 44792), (5090, 43560), (5445, 40720), (5599, 39600), (5808, 38175), (6050, 36648), (6108, 36300), (6600, 33594), (7260, 30540), (7635, 29040), (7920, 27995), (8144, 27225), (8712, 25450), (9075, 24432), (9162, 24200), (9680, 22905), (9900, 22396), (10180, 21780), (10890, 20360), (11198, 19800), (12100, 18324), (12216, 18150), (12725, 17424), (13200, 16797), (14520, 15270)]