438061860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2441}}^1$

素因数の和:3453

約数の個数: 72

約数和(自身を含む): 1330665336

約数和(自身を除く): 892603476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 997, 1994, 2441, 2991, 3988, 4882, 4985, 5982, 7323, 8973, 9764, 9970, 11964, 12205, 14646, 14955, 17946, 19940, 21969, 24410, 29292, 29910, 35892, 36615, 43938, 44865, 48820, 59820, 73230, 87876, 89730, 109845, 146460, 179460, 219690, 439380, 2433677, 4867354, 7301031, 9734708, 12168385, 14602062, 21903093, 24336770, 29204124, 36505155, 43806186, 48673540, 73010310, 87612372, 109515465, 146020620, 219030930, 438061860]

約数ペア:

[(1, 438061860), (2, 219030930), (3, 146020620), (4, 109515465), (5, 87612372), (6, 73010310), (9, 48673540), (10, 43806186), (12, 36505155), (15, 29204124), (18, 24336770), (20, 21903093), (30, 14602062), (36, 12168385), (45, 9734708), (60, 7301031), (90, 4867354), (180, 2433677), (997, 439380), (1994, 219690), (2441, 179460), (2991, 146460), (3988, 109845), (4882, 89730), (4985, 87876), (5982, 73230), (7323, 59820), (8973, 48820), (9764, 44865), (9970, 43938), (11964, 36615), (12205, 35892), (14646, 29910), (14955, 29292), (17946, 24410), (19940, 21969)]