2047890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3395310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 89, 118, 130, 177, 178, 195, 267, 295, 354, 390, 445, 534, 590, 767, 885, 890, 1157, 1335, 1534, 1770, 2301, 2314, 2670, 3471, 3835, 4602, 5251, 5785, 6942, 7670, 10502, 11505, 11570, 15753, 17355, 23010, 26255, 31506, 34710, 52510, 68263, 78765, 136526, 157530, 204789, 341315, 409578, 682630, 1023945, 2047890]

約数ペア:

[(1, 2047890), (2, 1023945), (3, 682630), (5, 409578), (6, 341315), (10, 204789), (13, 157530), (15, 136526), (26, 78765), (30, 68263), (39, 52510), (59, 34710), (65, 31506), (78, 26255), (89, 23010), (118, 17355), (130, 15753), (177, 11570), (178, 11505), (195, 10502), (267, 7670), (295, 6942), (354, 5785), (390, 5251), (445, 4602), (534, 3835), (590, 3471), (767, 2670), (885, 2314), (890, 2301), (1157, 1770), (1335, 1534)]