68625020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 150141600

約数和(自身を除く): 81516580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 661, 716, 895, 1322, 1790, 2644, 3305, 3580, 5191, 6610, 10382, 13220, 19169, 20764, 25955, 38338, 51910, 76676, 95845, 103820, 118319, 191690, 236638, 383380, 473276, 591595, 1183190, 2366380, 3431251, 6862502, 13725004, 17156255, 34312510, 68625020]

約数ペア:

[(1, 68625020), (2, 34312510), (4, 17156255), (5, 13725004), (10, 6862502), (20, 3431251), (29, 2366380), (58, 1183190), (116, 591595), (145, 473276), (179, 383380), (290, 236638), (358, 191690), (580, 118319), (661, 103820), (716, 95845), (895, 76676), (1322, 51910), (1790, 38338), (2644, 25955), (3305, 20764), (3580, 19169), (5191, 13220), (6610, 10382)]