3494140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 8043840

約数和(自身を除く): 4549700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 151, 178, 260, 302, 356, 445, 604, 755, 890, 1157, 1510, 1780, 1963, 2314, 3020, 3926, 4628, 5785, 7852, 9815, 11570, 13439, 19630, 23140, 26878, 39260, 53756, 67195, 134390, 174707, 268780, 349414, 698828, 873535, 1747070, 3494140]

約数ペア:

[(1, 3494140), (2, 1747070), (4, 873535), (5, 698828), (10, 349414), (13, 268780), (20, 174707), (26, 134390), (52, 67195), (65, 53756), (89, 39260), (130, 26878), (151, 23140), (178, 19630), (260, 13439), (302, 11570), (356, 9815), (445, 7852), (604, 5785), (755, 4628), (890, 3926), (1157, 3020), (1510, 2314), (1780, 1963)]