126827740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 291453120

約数和(自身を除く): 164625380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 169, 239, 260, 314, 338, 478, 628, 676, 785, 845, 956, 1195, 1570, 1690, 2041, 2390, 3107, 3140, 3380, 4082, 4780, 6214, 8164, 10205, 12428, 15535, 20410, 26533, 31070, 37523, 40391, 40820, 53066, 62140, 75046, 80782, 106132, 132665, 150092, 161564, 187615, 201955, 265330, 375230, 403910, 487799, 530660, 750460, 807820, 975598, 1951196, 2438995, 4877990, 6341387, 9755980, 12682774, 25365548, 31706935, 63413870, 126827740]

約数ペア:

[(1, 126827740), (2, 63413870), (4, 31706935), (5, 25365548), (10, 12682774), (13, 9755980), (20, 6341387), (26, 4877990), (52, 2438995), (65, 1951196), (130, 975598), (157, 807820), (169, 750460), (239, 530660), (260, 487799), (314, 403910), (338, 375230), (478, 265330), (628, 201955), (676, 187615), (785, 161564), (845, 150092), (956, 132665), (1195, 106132), (1570, 80782), (1690, 75046), (2041, 62140), (2390, 53066), (3107, 40820), (3140, 40391), (3380, 37523), (4082, 31070), (4780, 26533), (6214, 20410), (8164, 15535), (10205, 12428)]