90141490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2879}}^1$

素因数の和:3018

約数の個数: 32

約数和(自身を含む): 169205760

約数和(自身を除く): 79064270

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 2879, 3131, 5758, 6262, 14395, 15655, 28790, 31310, 89249, 178498, 290779, 446245, 581558, 892490, 1453895, 2907790, 9014149, 18028298, 45070745, 90141490]

約数ペア:

[(1, 90141490), (2, 45070745), (5, 18028298), (10, 9014149), (31, 2907790), (62, 1453895), (101, 892490), (155, 581558), (202, 446245), (310, 290779), (505, 178498), (1010, 89249), (2879, 31310), (3131, 28790), (5758, 15655), (6262, 14395)]