69789980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1483}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 158811744

約数和(自身を除く): 89021764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1483, 1810, 2353, 2966, 3620, 4706, 5932, 7415, 9412, 11765, 14830, 19279, 23530, 29660, 38558, 47060, 77116, 96395, 192790, 268423, 385580, 536846, 1073692, 1342115, 2684230, 3489499, 5368460, 6978998, 13957996, 17447495, 34894990, 69789980]

約数ペア:

[(1, 69789980), (2, 34894990), (4, 17447495), (5, 13957996), (10, 6978998), (13, 5368460), (20, 3489499), (26, 2684230), (52, 1342115), (65, 1073692), (130, 536846), (181, 385580), (260, 268423), (362, 192790), (724, 96395), (905, 77116), (1483, 47060), (1810, 38558), (2353, 29660), (2966, 23530), (3620, 19279), (4706, 14830), (5932, 11765), (7415, 9412)]