291275000

素因数分解:

$2^3\times 5^5\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 697455360

約数和(自身を除く): 406180360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 191, 200, 244, 250, 305, 382, 488, 500, 610, 625, 764, 955, 1000, 1220, 1250, 1525, 1528, 1910, 2440, 2500, 3050, 3125, 3820, 4775, 5000, 6100, 6250, 7625, 7640, 9550, 11651, 12200, 12500, 15250, 19100, 23302, 23875, 25000, 30500, 38125, 38200, 46604, 47750, 58255, 61000, 76250, 93208, 95500, 116510, 119375, 152500, 190625, 191000, 233020, 238750, 291275, 305000, 381250, 466040, 477500, 582550, 596875, 762500, 955000, 1165100, 1193750, 1456375, 1525000, 2330200, 2387500, 2912750, 4775000, 5825500, 7281875, 11651000, 14563750, 29127500, 36409375, 58255000, 72818750, 145637500, 291275000]

約数ペア:

[(1, 291275000), (2, 145637500), (4, 72818750), (5, 58255000), (8, 36409375), (10, 29127500), (20, 14563750), (25, 11651000), (40, 7281875), (50, 5825500), (61, 4775000), (100, 2912750), (122, 2387500), (125, 2330200), (191, 1525000), (200, 1456375), (244, 1193750), (250, 1165100), (305, 955000), (382, 762500), (488, 596875), (500, 582550), (610, 477500), (625, 466040), (764, 381250), (955, 305000), (1000, 291275), (1220, 238750), (1250, 233020), (1525, 191000), (1528, 190625), (1910, 152500), (2440, 119375), (2500, 116510), (3050, 95500), (3125, 93208), (3820, 76250), (4775, 61000), (5000, 58255), (6100, 47750), (6250, 46604), (7625, 38200), (7640, 38125), (9550, 30500), (11651, 25000), (12200, 23875), (12500, 23302), (15250, 19100)]