89868380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20707}}^1$

素因数の和:20754

約数の個数: 48

約数和(自身を含む): 222652416

約数和(自身を除く): 132784036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20707, 41414, 82828, 103535, 144949, 207070, 289898, 414140, 579796, 641917, 724745, 1283834, 1449490, 2567668, 2898980, 3209585, 4493419, 6419170, 8986838, 12838340, 17973676, 22467095, 44934190, 89868380]

約数ペア:

[(1, 89868380), (2, 44934190), (4, 22467095), (5, 17973676), (7, 12838340), (10, 8986838), (14, 6419170), (20, 4493419), (28, 3209585), (31, 2898980), (35, 2567668), (62, 1449490), (70, 1283834), (124, 724745), (140, 641917), (155, 579796), (217, 414140), (310, 289898), (434, 207070), (620, 144949), (868, 103535), (1085, 82828), (2170, 41414), (4340, 20707)]