131254310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 270839808

約数和(自身を除く): 139585498

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 305, 310, 341, 610, 631, 671, 682, 1262, 1342, 1705, 1891, 3155, 3355, 3410, 3782, 6310, 6710, 6941, 9455, 13882, 18910, 19561, 20801, 34705, 38491, 39122, 41602, 69410, 76982, 97805, 104005, 192455, 195610, 208010, 215171, 384910, 423401, 430342, 846802, 1075855, 1193221, 2117005, 2151710, 2386442, 4234010, 5966105, 11932210, 13125431, 26250862, 65627155, 131254310]

約数ペア:

[(1, 131254310), (2, 65627155), (5, 26250862), (10, 13125431), (11, 11932210), (22, 5966105), (31, 4234010), (55, 2386442), (61, 2151710), (62, 2117005), (110, 1193221), (122, 1075855), (155, 846802), (305, 430342), (310, 423401), (341, 384910), (610, 215171), (631, 208010), (671, 195610), (682, 192455), (1262, 104005), (1342, 97805), (1705, 76982), (1891, 69410), (3155, 41602), (3355, 39122), (3410, 38491), (3782, 34705), (6310, 20801), (6710, 19561), (6941, 18910), (9455, 13882)]