385517600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:2003

約数の個数: 144

約数和(自身を含む): 1067431680

約数和(自身を除く): 681914080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 380, 400, 416, 475, 494, 520, 608, 650, 760, 800, 950, 988, 1040, 1235, 1300, 1520, 1900, 1951, 1976, 2080, 2470, 2600, 3040, 3800, 3902, 3952, 4940, 5200, 6175, 7600, 7804, 7904, 9755, 9880, 10400, 12350, 15200, 15608, 19510, 19760, 24700, 25363, 31216, 37069, 39020, 39520, 48775, 49400, 50726, 62432, 74138, 78040, 97550, 98800, 101452, 126815, 148276, 156080, 185345, 195100, 197600, 202904, 253630, 296552, 312160, 370690, 390200, 405808, 481897, 507260, 593104, 634075, 741380, 780400, 811616, 926725, 963794, 1014520, 1186208, 1268150, 1482760, 1560800, 1853450, 1927588, 2029040, 2409485, 2536300, 2965520, 3706900, 3855176, 4058080, 4818970, 5072600, 5931040, 7413800, 7710352, 9637940, 10145200, 12047425, 14827600, 15420704, 19275880, 20290400, 24094850, 29655200, 38551760, 48189700, 77103520, 96379400, 192758800, 385517600]

約数ペア:

[(1, 385517600), (2, 192758800), (4, 96379400), (5, 77103520), (8, 48189700), (10, 38551760), (13, 29655200), (16, 24094850), (19, 20290400), (20, 19275880), (25, 15420704), (26, 14827600), (32, 12047425), (38, 10145200), (40, 9637940), (50, 7710352), (52, 7413800), (65, 5931040), (76, 5072600), (80, 4818970), (95, 4058080), (100, 3855176), (104, 3706900), (130, 2965520), (152, 2536300), (160, 2409485), (190, 2029040), (200, 1927588), (208, 1853450), (247, 1560800), (260, 1482760), (304, 1268150), (325, 1186208), (380, 1014520), (400, 963794), (416, 926725), (475, 811616), (494, 780400), (520, 741380), (608, 634075), (650, 593104), (760, 507260), (800, 481897), (950, 405808), (988, 390200), (1040, 370690), (1235, 312160), (1300, 296552), (1520, 253630), (1900, 202904), (1951, 197600), (1976, 195100), (2080, 185345), (2470, 156080), (2600, 148276), (3040, 126815), (3800, 101452), (3902, 98800), (3952, 97550), (4940, 78040), (5200, 74138), (6175, 62432), (7600, 50726), (7804, 49400), (7904, 48775), (9755, 39520), (9880, 39020), (10400, 37069), (12350, 31216), (15200, 25363), (15608, 24700), (19510, 19760)]