207858990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 513216000

約数和(自身を除く): 305357010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 269, 430, 538, 599, 645, 807, 1198, 1290, 1345, 1614, 1797, 2690, 2995, 3594, 4035, 5990, 8070, 8985, 11567, 17970, 23134, 25757, 34701, 51514, 57835, 69402, 77271, 115670, 128785, 154542, 161131, 173505, 257570, 322262, 347010, 386355, 483393, 772710, 805655, 966786, 1611310, 2416965, 4833930, 6928633, 13857266, 20785899, 34643165, 41571798, 69286330, 103929495, 207858990]

約数ペア:

[(1, 207858990), (2, 103929495), (3, 69286330), (5, 41571798), (6, 34643165), (10, 20785899), (15, 13857266), (30, 6928633), (43, 4833930), (86, 2416965), (129, 1611310), (215, 966786), (258, 805655), (269, 772710), (430, 483393), (538, 386355), (599, 347010), (645, 322262), (807, 257570), (1198, 173505), (1290, 161131), (1345, 154542), (1614, 128785), (1797, 115670), (2690, 77271), (2995, 69402), (3594, 57835), (4035, 51514), (5990, 34701), (8070, 25757), (8985, 23134), (11567, 17970)]