64791860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14929}}^1$

素因数の和:14976

約数の個数: 48

約数和(自身を含む): 160527360

約数和(自身を除く): 95735500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14929, 29858, 59716, 74645, 104503, 149290, 209006, 298580, 418012, 462799, 522515, 925598, 1045030, 1851196, 2090060, 2313995, 3239593, 4627990, 6479186, 9255980, 12958372, 16197965, 32395930, 64791860]

約数ペア:

[(1, 64791860), (2, 32395930), (4, 16197965), (5, 12958372), (7, 9255980), (10, 6479186), (14, 4627990), (20, 3239593), (28, 2313995), (31, 2090060), (35, 1851196), (62, 1045030), (70, 925598), (124, 522515), (140, 462799), (155, 418012), (217, 298580), (310, 209006), (434, 149290), (620, 104503), (868, 74645), (1085, 59716), (2170, 29858), (4340, 14929)]