749203780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{32377}}^1$

素因数の和:32488

約数の個数: 48

約数和(自身を含む): 1713443760

約数和(自身を除く): 964239980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 32377, 64754, 129508, 161885, 323770, 420901, 647540, 841802, 1683604, 2104505, 2881553, 4209010, 5763106, 8418020, 11526212, 14407765, 28815530, 37460189, 57631060, 74920378, 149840756, 187300945, 374601890, 749203780]

約数ペア:

[(1, 749203780), (2, 374601890), (4, 187300945), (5, 149840756), (10, 74920378), (13, 57631060), (20, 37460189), (26, 28815530), (52, 14407765), (65, 11526212), (89, 8418020), (130, 5763106), (178, 4209010), (260, 2881553), (356, 2104505), (445, 1683604), (890, 841802), (1157, 647540), (1780, 420901), (2314, 323770), (4628, 161885), (5785, 129508), (11570, 64754), (23140, 32377)]