890473670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 1713628224

約数和(自身を除く): 823154554

約数列:

[1, 2, 5, 10, 41, 43, 53, 82, 86, 106, 205, 215, 265, 410, 430, 530, 953, 1763, 1906, 2173, 2279, 3526, 4346, 4558, 4765, 8815, 9530, 10865, 11395, 17630, 21730, 22790, 39073, 40979, 50509, 78146, 81958, 93439, 101018, 186878, 195365, 204895, 252545, 390730, 409790, 467195, 505090, 934390, 1680139, 2070869, 2171887, 3360278, 4141738, 4343774, 8400695, 10354345, 10859435, 16801390, 20708690, 21718870, 89047367, 178094734, 445236835, 890473670]

約数ペア:

[(1, 890473670), (2, 445236835), (5, 178094734), (10, 89047367), (41, 21718870), (43, 20708690), (53, 16801390), (82, 10859435), (86, 10354345), (106, 8400695), (205, 4343774), (215, 4141738), (265, 3360278), (410, 2171887), (430, 2070869), (530, 1680139), (953, 934390), (1763, 505090), (1906, 467195), (2173, 409790), (2279, 390730), (3526, 252545), (4346, 204895), (4558, 195365), (4765, 186878), (8815, 101018), (9530, 93439), (10865, 81958), (11395, 78146), (17630, 50509), (21730, 40979), (22790, 39073)]