245709100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 691289088

約数和(自身を除く): 445579988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 67, 70, 91, 100, 124, 130, 134, 140, 155, 169, 175, 182, 217, 260, 268, 310, 325, 335, 338, 350, 364, 403, 434, 455, 469, 620, 650, 670, 676, 700, 775, 806, 845, 868, 871, 910, 938, 1085, 1183, 1300, 1340, 1550, 1612, 1675, 1690, 1742, 1820, 1876, 2015, 2077, 2170, 2275, 2345, 2366, 2821, 3100, 3350, 3380, 3484, 4030, 4154, 4225, 4340, 4355, 4550, 4690, 4732, 5239, 5425, 5642, 5915, 6097, 6700, 8060, 8308, 8450, 8710, 9100, 9380, 10075, 10385, 10478, 10850, 11284, 11323, 11725, 11830, 12194, 14105, 14539, 16900, 17420, 20150, 20770, 20956, 21700, 21775, 22646, 23450, 23660, 24388, 26195, 27001, 28210, 29078, 29575, 30485, 36673, 40300, 41540, 43550, 45292, 46900, 51925, 52390, 54002, 56420, 56615, 58156, 59150, 60970, 70525, 72695, 73346, 79261, 87100, 103850, 104780, 108004, 113230, 118300, 121940, 130975, 135005, 141050, 145390, 146692, 152425, 158522, 183365, 189007, 207700, 226460, 261950, 270010, 282100, 283075, 290780, 304850, 317044, 351013, 363475, 366730, 378014, 396305, 523900, 540020, 566150, 609700, 675025, 702026, 726950, 733460, 756028, 792610, 916825, 945035, 1132300, 1350050, 1404052, 1453900, 1585220, 1755065, 1833650, 1890070, 1981525, 2457091, 2700100, 3510130, 3667300, 3780140, 3963050, 4725175, 4914182, 7020260, 7926100, 8775325, 9450350, 9828364, 12285455, 17550650, 18900700, 24570910, 35101300, 49141820, 61427275, 122854550, 245709100]

約数ペア:

[(1, 245709100), (2, 122854550), (4, 61427275), (5, 49141820), (7, 35101300), (10, 24570910), (13, 18900700), (14, 17550650), (20, 12285455), (25, 9828364), (26, 9450350), (28, 8775325), (31, 7926100), (35, 7020260), (50, 4914182), (52, 4725175), (62, 3963050), (65, 3780140), (67, 3667300), (70, 3510130), (91, 2700100), (100, 2457091), (124, 1981525), (130, 1890070), (134, 1833650), (140, 1755065), (155, 1585220), (169, 1453900), (175, 1404052), (182, 1350050), (217, 1132300), (260, 945035), (268, 916825), (310, 792610), (325, 756028), (335, 733460), (338, 726950), (350, 702026), (364, 675025), (403, 609700), (434, 566150), (455, 540020), (469, 523900), (620, 396305), (650, 378014), (670, 366730), (676, 363475), (700, 351013), (775, 317044), (806, 304850), (845, 290780), (868, 283075), (871, 282100), (910, 270010), (938, 261950), (1085, 226460), (1183, 207700), (1300, 189007), (1340, 183365), (1550, 158522), (1612, 152425), (1675, 146692), (1690, 145390), (1742, 141050), (1820, 135005), (1876, 130975), (2015, 121940), (2077, 118300), (2170, 113230), (2275, 108004), (2345, 104780), (2366, 103850), (2821, 87100), (3100, 79261), (3350, 73346), (3380, 72695), (3484, 70525), (4030, 60970), (4154, 59150), (4225, 58156), (4340, 56615), (4355, 56420), (4550, 54002), (4690, 52390), (4732, 51925), (5239, 46900), (5425, 45292), (5642, 43550), (5915, 41540), (6097, 40300), (6700, 36673), (8060, 30485), (8308, 29575), (8450, 29078), (8710, 28210), (9100, 27001), (9380, 26195), (10075, 24388), (10385, 23660), (10478, 23450), (10850, 22646), (11284, 21775), (11323, 21700), (11725, 20956), (11830, 20770), (12194, 20150), (14105, 17420), (14539, 16900)]