79049980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 169827840

約数和(自身を除く): 90777860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 311, 355, 358, 622, 710, 716, 895, 1244, 1420, 1555, 1790, 3110, 3580, 6220, 12709, 22081, 25418, 44162, 50836, 55669, 63545, 88324, 110405, 111338, 127090, 220810, 222676, 254180, 278345, 441620, 556690, 1113380, 3952499, 7904998, 15809996, 19762495, 39524990, 79049980]

約数ペア:

[(1, 79049980), (2, 39524990), (4, 19762495), (5, 15809996), (10, 7904998), (20, 3952499), (71, 1113380), (142, 556690), (179, 441620), (284, 278345), (311, 254180), (355, 222676), (358, 220810), (622, 127090), (710, 111338), (716, 110405), (895, 88324), (1244, 63545), (1420, 55669), (1555, 50836), (1790, 44162), (3110, 25418), (3580, 22081), (6220, 12709)]