172235420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2417}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 414348480

約数和(自身を除く): 242113060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2417, 2545, 3563, 4834, 5090, 7126, 9668, 10180, 12085, 14252, 16919, 17815, 24170, 33838, 35630, 48340, 67676, 71260, 84595, 169190, 338380, 1230253, 2460506, 4921012, 6151265, 8611771, 12302530, 17223542, 24605060, 34447084, 43058855, 86117710, 172235420]

約数ペア:

[(1, 172235420), (2, 86117710), (4, 43058855), (5, 34447084), (7, 24605060), (10, 17223542), (14, 12302530), (20, 8611771), (28, 6151265), (35, 4921012), (70, 2460506), (140, 1230253), (509, 338380), (1018, 169190), (2036, 84595), (2417, 71260), (2545, 67676), (3563, 48340), (4834, 35630), (5090, 33838), (7126, 24170), (9668, 17815), (10180, 16919), (12085, 14252)]