7801495000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6317}}^1$

素因数の和:6375

約数の個数: 160

約数和(自身を含む): 20724303600

約数和(自身を除く): 12922808600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 325, 380, 475, 494, 500, 520, 625, 650, 760, 950, 988, 1000, 1235, 1250, 1300, 1625, 1900, 1976, 2375, 2470, 2500, 2600, 3250, 3800, 4750, 4940, 5000, 6175, 6317, 6500, 8125, 9500, 9880, 11875, 12350, 12634, 13000, 16250, 19000, 23750, 24700, 25268, 30875, 31585, 32500, 47500, 49400, 50536, 61750, 63170, 65000, 82121, 95000, 120023, 123500, 126340, 154375, 157925, 164242, 240046, 247000, 252680, 308750, 315850, 328484, 410605, 480092, 600115, 617500, 631700, 656968, 789625, 821210, 960184, 1200230, 1235000, 1263400, 1560299, 1579250, 1642420, 2053025, 2400460, 3000575, 3120598, 3158500, 3284840, 3948125, 4106050, 4800920, 6001150, 6241196, 6317000, 7801495, 7896250, 8212100, 10265125, 12002300, 12482392, 15002875, 15602990, 15792500, 16424200, 20530250, 24004600, 30005750, 31205980, 31585000, 39007475, 41060500, 51325625, 60011500, 62411960, 75014375, 78014950, 82121000, 102651250, 120023000, 150028750, 156029900, 195037375, 205302500, 300057500, 312059800, 390074750, 410605000, 600115000, 780149500, 975186875, 1560299000, 1950373750, 3900747500, 7801495000]

約数ペア:

[(1, 7801495000), (2, 3900747500), (4, 1950373750), (5, 1560299000), (8, 975186875), (10, 780149500), (13, 600115000), (19, 410605000), (20, 390074750), (25, 312059800), (26, 300057500), (38, 205302500), (40, 195037375), (50, 156029900), (52, 150028750), (65, 120023000), (76, 102651250), (95, 82121000), (100, 78014950), (104, 75014375), (125, 62411960), (130, 60011500), (152, 51325625), (190, 41060500), (200, 39007475), (247, 31585000), (250, 31205980), (260, 30005750), (325, 24004600), (380, 20530250), (475, 16424200), (494, 15792500), (500, 15602990), (520, 15002875), (625, 12482392), (650, 12002300), (760, 10265125), (950, 8212100), (988, 7896250), (1000, 7801495), (1235, 6317000), (1250, 6241196), (1300, 6001150), (1625, 4800920), (1900, 4106050), (1976, 3948125), (2375, 3284840), (2470, 3158500), (2500, 3120598), (2600, 3000575), (3250, 2400460), (3800, 2053025), (4750, 1642420), (4940, 1579250), (5000, 1560299), (6175, 1263400), (6317, 1235000), (6500, 1200230), (8125, 960184), (9500, 821210), (9880, 789625), (11875, 656968), (12350, 631700), (12634, 617500), (13000, 600115), (16250, 480092), (19000, 410605), (23750, 328484), (24700, 315850), (25268, 308750), (30875, 252680), (31585, 247000), (32500, 240046), (47500, 164242), (49400, 157925), (50536, 154375), (61750, 126340), (63170, 123500), (65000, 120023), (82121, 95000)]