641775000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 2062368000

約数和(自身を除く): 1420593000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 199, 200, 215, 250, 258, 300, 344, 375, 398, 430, 500, 516, 597, 600, 625, 645, 750, 796, 860, 995, 1000, 1032, 1075, 1194, 1250, 1290, 1500, 1592, 1720, 1875, 1990, 2150, 2388, 2500, 2580, 2985, 3000, 3125, 3225, 3750, 3980, 4300, 4776, 4975, 5000, 5160, 5375, 5970, 6250, 6450, 7500, 7960, 8557, 8600, 9375, 9950, 10750, 11940, 12500, 12900, 14925, 15000, 16125, 17114, 18750, 19900, 21500, 23880, 24875, 25000, 25671, 25800, 26875, 29850, 32250, 34228, 37500, 39800, 42785, 43000, 49750, 51342, 53750, 59700, 64500, 68456, 74625, 75000, 80625, 85570, 99500, 102684, 107500, 119400, 124375, 128355, 129000, 134375, 149250, 161250, 171140, 199000, 205368, 213925, 215000, 248750, 256710, 268750, 298500, 322500, 342280, 373125, 403125, 427850, 497500, 513420, 537500, 597000, 621875, 641775, 645000, 746250, 806250, 855700, 995000, 1026840, 1069625, 1075000, 1243750, 1283550, 1492500, 1612500, 1711400, 1865625, 2139250, 2487500, 2567100, 2985000, 3208875, 3225000, 3731250, 4278500, 4975000, 5134200, 5348125, 6417750, 7462500, 8557000, 10696250, 12835500, 14925000, 16044375, 21392500, 25671000, 26740625, 32088750, 42785000, 53481250, 64177500, 80221875, 106962500, 128355000, 160443750, 213925000, 320887500, 641775000]

約数ペア:

[(1, 641775000), (2, 320887500), (3, 213925000), (4, 160443750), (5, 128355000), (6, 106962500), (8, 80221875), (10, 64177500), (12, 53481250), (15, 42785000), (20, 32088750), (24, 26740625), (25, 25671000), (30, 21392500), (40, 16044375), (43, 14925000), (50, 12835500), (60, 10696250), (75, 8557000), (86, 7462500), (100, 6417750), (120, 5348125), (125, 5134200), (129, 4975000), (150, 4278500), (172, 3731250), (199, 3225000), (200, 3208875), (215, 2985000), (250, 2567100), (258, 2487500), (300, 2139250), (344, 1865625), (375, 1711400), (398, 1612500), (430, 1492500), (500, 1283550), (516, 1243750), (597, 1075000), (600, 1069625), (625, 1026840), (645, 995000), (750, 855700), (796, 806250), (860, 746250), (995, 645000), (1000, 641775), (1032, 621875), (1075, 597000), (1194, 537500), (1250, 513420), (1290, 497500), (1500, 427850), (1592, 403125), (1720, 373125), (1875, 342280), (1990, 322500), (2150, 298500), (2388, 268750), (2500, 256710), (2580, 248750), (2985, 215000), (3000, 213925), (3125, 205368), (3225, 199000), (3750, 171140), (3980, 161250), (4300, 149250), (4776, 134375), (4975, 129000), (5000, 128355), (5160, 124375), (5375, 119400), (5970, 107500), (6250, 102684), (6450, 99500), (7500, 85570), (7960, 80625), (8557, 75000), (8600, 74625), (9375, 68456), (9950, 64500), (10750, 59700), (11940, 53750), (12500, 51342), (12900, 49750), (14925, 43000), (15000, 42785), (16125, 39800), (17114, 37500), (18750, 34228), (19900, 32250), (21500, 29850), (23880, 26875), (24875, 25800), (25000, 25671)]