210969320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^2$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 503507340

約数和(自身を除く): 292538020

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 557, 680, 1114, 2228, 2785, 4456, 5570, 9469, 11140, 18938, 22280, 37876, 47345, 75752, 94690, 189380, 310249, 378760, 620498, 1240996, 1551245, 2481992, 3102490, 5274233, 6204980, 10548466, 12409960, 21096932, 26371165, 42193864, 52742330, 105484660, 210969320]

約数ペア:

[(1, 210969320), (2, 105484660), (4, 52742330), (5, 42193864), (8, 26371165), (10, 21096932), (17, 12409960), (20, 10548466), (34, 6204980), (40, 5274233), (68, 3102490), (85, 2481992), (136, 1551245), (170, 1240996), (340, 620498), (557, 378760), (680, 310249), (1114, 189380), (2228, 94690), (2785, 75752), (4456, 47345), (5570, 37876), (9469, 22280), (11140, 18938)]