1985116690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 3864049920

約数和(自身を除く): 1878933230

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 163, 170, 326, 355, 710, 815, 1009, 1207, 1630, 2018, 2414, 2771, 5045, 5542, 6035, 10090, 11573, 12070, 13855, 17153, 23146, 27710, 34306, 57865, 71639, 85765, 115730, 143278, 164467, 171530, 196741, 328934, 358195, 393482, 716390, 822335, 983705, 1217863, 1644670, 1967410, 2435726, 2795939, 5591878, 6089315, 11677157, 12178630, 13979695, 23354314, 27959390, 58385785, 116771570, 198511669, 397023338, 992558345, 1985116690]

約数ペア:

[(1, 1985116690), (2, 992558345), (5, 397023338), (10, 198511669), (17, 116771570), (34, 58385785), (71, 27959390), (85, 23354314), (142, 13979695), (163, 12178630), (170, 11677157), (326, 6089315), (355, 5591878), (710, 2795939), (815, 2435726), (1009, 1967410), (1207, 1644670), (1630, 1217863), (2018, 983705), (2414, 822335), (2771, 716390), (5045, 393482), (5542, 358195), (6035, 328934), (10090, 196741), (11573, 171530), (12070, 164467), (13855, 143278), (17153, 115730), (23146, 85765), (27710, 71639), (34306, 57865)]