130260620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 323573040

約数和(自身を除く): 193312420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2179, 2989, 4270, 4358, 5978, 8540, 8716, 10895, 11956, 14945, 15253, 21790, 29890, 30506, 43580, 59780, 61012, 76265, 106771, 132919, 152530, 213542, 265838, 305060, 427084, 531676, 533855, 664595, 930433, 1067710, 1329190, 1860866, 2135420, 2658380, 3721732, 4652165, 6513031, 9304330, 13026062, 18608660, 26052124, 32565155, 65130310, 130260620]

約数ペア:

[(1, 130260620), (2, 65130310), (4, 32565155), (5, 26052124), (7, 18608660), (10, 13026062), (14, 9304330), (20, 6513031), (28, 4652165), (35, 3721732), (49, 2658380), (61, 2135420), (70, 1860866), (98, 1329190), (122, 1067710), (140, 930433), (196, 664595), (244, 533855), (245, 531676), (305, 427084), (427, 305060), (490, 265838), (610, 213542), (854, 152530), (980, 132919), (1220, 106771), (1708, 76265), (2135, 61012), (2179, 59780), (2989, 43580), (4270, 30506), (4358, 29890), (5978, 21790), (8540, 15253), (8716, 14945), (10895, 11956)]