73761740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 170014320

約数和(自身を除く): 96252580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 157, 169, 260, 278, 314, 338, 556, 628, 676, 695, 785, 845, 1390, 1570, 1690, 1807, 2041, 2780, 3140, 3380, 3614, 4082, 7228, 8164, 9035, 10205, 18070, 20410, 21823, 23491, 26533, 36140, 40820, 43646, 46982, 53066, 87292, 93964, 106132, 109115, 117455, 132665, 218230, 234910, 265330, 283699, 436460, 469820, 530660, 567398, 1134796, 1418495, 2836990, 3688087, 5673980, 7376174, 14752348, 18440435, 36880870, 73761740]

約数ペア:

[(1, 73761740), (2, 36880870), (4, 18440435), (5, 14752348), (10, 7376174), (13, 5673980), (20, 3688087), (26, 2836990), (52, 1418495), (65, 1134796), (130, 567398), (139, 530660), (157, 469820), (169, 436460), (260, 283699), (278, 265330), (314, 234910), (338, 218230), (556, 132665), (628, 117455), (676, 109115), (695, 106132), (785, 93964), (845, 87292), (1390, 53066), (1570, 46982), (1690, 43646), (1807, 40820), (2041, 36140), (2780, 26533), (3140, 23491), (3380, 21823), (3614, 20410), (4082, 18070), (7228, 10205), (8164, 9035)]