71825000

素因数分解:

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

素因数の和:74

約数の個数: 144

約数和(自身を含む): 192995460

約数和(自身を除く): 121170460

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 169, 170, 200, 221, 250, 260, 325, 338, 340, 425, 442, 500, 520, 625, 650, 676, 680, 845, 850, 884, 1000, 1105, 1250, 1300, 1352, 1625, 1690, 1700, 1768, 2125, 2210, 2500, 2600, 2873, 3125, 3250, 3380, 3400, 4225, 4250, 4420, 5000, 5525, 5746, 6250, 6500, 6760, 8125, 8450, 8500, 8840, 10625, 11050, 11492, 12500, 13000, 14365, 16250, 16900, 17000, 21125, 21250, 22100, 22984, 25000, 27625, 28730, 32500, 33800, 40625, 42250, 42500, 44200, 53125, 55250, 57460, 65000, 71825, 81250, 84500, 85000, 105625, 106250, 110500, 114920, 138125, 143650, 162500, 169000, 211250, 212500, 221000, 276250, 287300, 325000, 359125, 422500, 425000, 528125, 552500, 574600, 690625, 718250, 845000, 1056250, 1105000, 1381250, 1436500, 1795625, 2112500, 2762500, 2873000, 3591250, 4225000, 5525000, 7182500, 8978125, 14365000, 17956250, 35912500, 71825000]

約数ペア:

[(1, 71825000), (2, 35912500), (4, 17956250), (5, 14365000), (8, 8978125), (10, 7182500), (13, 5525000), (17, 4225000), (20, 3591250), (25, 2873000), (26, 2762500), (34, 2112500), (40, 1795625), (50, 1436500), (52, 1381250), (65, 1105000), (68, 1056250), (85, 845000), (100, 718250), (104, 690625), (125, 574600), (130, 552500), (136, 528125), (169, 425000), (170, 422500), (200, 359125), (221, 325000), (250, 287300), (260, 276250), (325, 221000), (338, 212500), (340, 211250), (425, 169000), (442, 162500), (500, 143650), (520, 138125), (625, 114920), (650, 110500), (676, 106250), (680, 105625), (845, 85000), (850, 84500), (884, 81250), (1000, 71825), (1105, 65000), (1250, 57460), (1300, 55250), (1352, 53125), (1625, 44200), (1690, 42500), (1700, 42250), (1768, 40625), (2125, 33800), (2210, 32500), (2500, 28730), (2600, 27625), (2873, 25000), (3125, 22984), (3250, 22100), (3380, 21250), (3400, 21125), (4225, 17000), (4250, 16900), (4420, 16250), (5000, 14365), (5525, 13000), (5746, 12500), (6250, 11492), (6500, 11050), (6760, 10625), (8125, 8840), (8450, 8500)]