138998440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5981}}^1$

素因数の和:6082

約数の個数: 64

約数和(自身を含む): 361791360

約数和(自身を除く): 222792920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 5981, 11620, 11962, 23240, 23924, 29905, 41867, 47848, 59810, 83734, 119620, 167468, 209335, 239240, 334936, 418670, 496423, 837340, 992846, 1674680, 1985692, 2482115, 3474961, 3971384, 4964230, 6949922, 9928460, 13899844, 17374805, 19856920, 27799688, 34749610, 69499220, 138998440]

約数ペア:

[(1, 138998440), (2, 69499220), (4, 34749610), (5, 27799688), (7, 19856920), (8, 17374805), (10, 13899844), (14, 9928460), (20, 6949922), (28, 4964230), (35, 3971384), (40, 3474961), (56, 2482115), (70, 1985692), (83, 1674680), (140, 992846), (166, 837340), (280, 496423), (332, 418670), (415, 334936), (581, 239240), (664, 209335), (830, 167468), (1162, 119620), (1660, 83734), (2324, 59810), (2905, 47848), (3320, 41867), (4648, 29905), (5810, 23924), (5981, 23240), (11620, 11962)]