1289968340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1\times {\mathrm{2267}}^1$

素因数の和:3536

約数の個数: 48

約数和(自身を含む): 2830246272

約数和(自身を除く): 1540277932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1237, 2267, 2474, 4534, 4948, 6185, 9068, 11335, 12370, 22670, 24740, 28451, 45340, 52141, 56902, 104282, 113804, 142255, 208564, 260705, 284510, 521410, 569020, 1042820, 2804279, 5608558, 11217116, 14021395, 28042790, 56085580, 64498417, 128996834, 257993668, 322492085, 644984170, 1289968340]

約数ペア:

[(1, 1289968340), (2, 644984170), (4, 322492085), (5, 257993668), (10, 128996834), (20, 64498417), (23, 56085580), (46, 28042790), (92, 14021395), (115, 11217116), (230, 5608558), (460, 2804279), (1237, 1042820), (2267, 569020), (2474, 521410), (4534, 284510), (4948, 260705), (6185, 208564), (9068, 142255), (11335, 113804), (12370, 104282), (22670, 56902), (24740, 52141), (28451, 45340)]