204159800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 562464000

約数和(自身を除く): 358304200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 31, 34, 40, 50, 52, 62, 65, 68, 85, 100, 104, 124, 130, 136, 149, 155, 170, 200, 221, 248, 260, 298, 310, 325, 340, 403, 425, 442, 520, 527, 596, 620, 650, 680, 745, 775, 806, 850, 884, 1054, 1105, 1192, 1240, 1300, 1490, 1550, 1612, 1700, 1768, 1937, 2015, 2108, 2210, 2533, 2600, 2635, 2980, 3100, 3224, 3400, 3725, 3874, 4030, 4216, 4420, 4619, 5066, 5270, 5525, 5960, 6200, 6851, 7450, 7748, 8060, 8840, 9238, 9685, 10075, 10132, 10540, 11050, 12665, 13175, 13702, 14900, 15496, 16120, 18476, 19370, 20150, 20264, 21080, 22100, 23095, 25330, 26350, 27404, 29800, 32929, 34255, 36952, 38740, 40300, 44200, 46190, 48425, 50660, 52700, 54808, 60047, 63325, 65858, 68510, 77480, 78523, 80600, 92380, 96850, 101320, 105400, 115475, 120094, 126650, 131716, 137020, 157046, 164645, 171275, 184760, 193700, 230950, 240188, 253300, 263432, 274040, 300235, 314092, 329290, 342550, 387400, 392615, 461900, 480376, 506600, 600470, 628184, 658580, 685100, 785230, 823225, 923800, 1020799, 1200940, 1317160, 1370200, 1501175, 1570460, 1646450, 1963075, 2041598, 2401880, 3002350, 3140920, 3292900, 3926150, 4083196, 5103995, 6004700, 6585800, 7852300, 8166392, 10207990, 12009400, 15704600, 20415980, 25519975, 40831960, 51039950, 102079900, 204159800]

約数ペア:

[(1, 204159800), (2, 102079900), (4, 51039950), (5, 40831960), (8, 25519975), (10, 20415980), (13, 15704600), (17, 12009400), (20, 10207990), (25, 8166392), (26, 7852300), (31, 6585800), (34, 6004700), (40, 5103995), (50, 4083196), (52, 3926150), (62, 3292900), (65, 3140920), (68, 3002350), (85, 2401880), (100, 2041598), (104, 1963075), (124, 1646450), (130, 1570460), (136, 1501175), (149, 1370200), (155, 1317160), (170, 1200940), (200, 1020799), (221, 923800), (248, 823225), (260, 785230), (298, 685100), (310, 658580), (325, 628184), (340, 600470), (403, 506600), (425, 480376), (442, 461900), (520, 392615), (527, 387400), (596, 342550), (620, 329290), (650, 314092), (680, 300235), (745, 274040), (775, 263432), (806, 253300), (850, 240188), (884, 230950), (1054, 193700), (1105, 184760), (1192, 171275), (1240, 164645), (1300, 157046), (1490, 137020), (1550, 131716), (1612, 126650), (1700, 120094), (1768, 115475), (1937, 105400), (2015, 101320), (2108, 96850), (2210, 92380), (2533, 80600), (2600, 78523), (2635, 77480), (2980, 68510), (3100, 65858), (3224, 63325), (3400, 60047), (3725, 54808), (3874, 52700), (4030, 50660), (4216, 48425), (4420, 46190), (4619, 44200), (5066, 40300), (5270, 38740), (5525, 36952), (5960, 34255), (6200, 32929), (6851, 29800), (7450, 27404), (7748, 26350), (8060, 25330), (8840, 23095), (9238, 22100), (9685, 21080), (10075, 20264), (10132, 20150), (10540, 19370), (11050, 18476), (12665, 16120), (13175, 15496), (13702, 14900)]