7142980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 16398144

約数和(自身を除く): 9255164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 331, 332, 415, 662, 830, 1079, 1324, 1655, 1660, 2158, 3310, 4303, 4316, 5395, 6620, 8606, 10790, 17212, 21515, 21580, 27473, 43030, 54946, 86060, 109892, 137365, 274730, 357149, 549460, 714298, 1428596, 1785745, 3571490, 7142980]

約数ペア:

[(1, 7142980), (2, 3571490), (4, 1785745), (5, 1428596), (10, 714298), (13, 549460), (20, 357149), (26, 274730), (52, 137365), (65, 109892), (83, 86060), (130, 54946), (166, 43030), (260, 27473), (331, 21580), (332, 21515), (415, 17212), (662, 10790), (830, 8606), (1079, 6620), (1324, 5395), (1655, 4316), (1660, 4303), (2158, 3310)]