652987780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{6907}}^1$

素因数の和:7108

約数の個数: 48

約数和(自身を含む): 1427469120

約数和(自身を除く): 774481340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 1630, 3260, 4727, 6907, 9454, 13814, 18908, 23635, 27628, 34535, 47270, 69070, 94540, 138140, 200303, 400606, 801212, 1001515, 1125841, 2003030, 2251682, 4006060, 4503364, 5629205, 11258410, 22516820, 32649389, 65298778, 130597556, 163246945, 326493890, 652987780]

約数ペア:

[(1, 652987780), (2, 326493890), (4, 163246945), (5, 130597556), (10, 65298778), (20, 32649389), (29, 22516820), (58, 11258410), (116, 5629205), (145, 4503364), (163, 4006060), (290, 2251682), (326, 2003030), (580, 1125841), (652, 1001515), (815, 801212), (1630, 400606), (3260, 200303), (4727, 138140), (6907, 94540), (9454, 69070), (13814, 47270), (18908, 34535), (23635, 27628)]