87572210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 180845568

約数和(自身を除く): 93273358

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 305, 310, 341, 421, 610, 671, 682, 842, 1342, 1705, 1891, 2105, 3355, 3410, 3782, 4210, 4631, 6710, 9262, 9455, 13051, 18910, 20801, 23155, 25681, 26102, 41602, 46310, 51362, 65255, 104005, 128405, 130510, 143561, 208010, 256810, 282491, 287122, 564982, 717805, 796111, 1412455, 1435610, 1592222, 2824910, 3980555, 7961110, 8757221, 17514442, 43786105, 87572210]

約数ペア:

[(1, 87572210), (2, 43786105), (5, 17514442), (10, 8757221), (11, 7961110), (22, 3980555), (31, 2824910), (55, 1592222), (61, 1435610), (62, 1412455), (110, 796111), (122, 717805), (155, 564982), (305, 287122), (310, 282491), (341, 256810), (421, 208010), (610, 143561), (671, 130510), (682, 128405), (842, 104005), (1342, 65255), (1705, 51362), (1891, 46310), (2105, 41602), (3355, 26102), (3410, 25681), (3782, 23155), (4210, 20801), (4631, 18910), (6710, 13051), (9262, 9455)]