420606650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 810510624

約数和(自身を除く): 389903974

約数列:

[1, 2, 5, 10, 25, 43, 50, 83, 86, 166, 215, 415, 430, 830, 1075, 2075, 2150, 2357, 3569, 4150, 4714, 7138, 11785, 17845, 23570, 35690, 58925, 89225, 101351, 117850, 178450, 195631, 202702, 391262, 506755, 978155, 1013510, 1956310, 2533775, 4890775, 5067550, 8412133, 9781550, 16824266, 42060665, 84121330, 210303325, 420606650]

約数ペア:

[(1, 420606650), (2, 210303325), (5, 84121330), (10, 42060665), (25, 16824266), (43, 9781550), (50, 8412133), (83, 5067550), (86, 4890775), (166, 2533775), (215, 1956310), (415, 1013510), (430, 978155), (830, 506755), (1075, 391262), (2075, 202702), (2150, 195631), (2357, 178450), (3569, 117850), (4150, 101351), (4714, 89225), (7138, 58925), (11785, 35690), (17845, 23570)]