31411930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 65577600

約数和(自身を除く): 34165670

約数列:

[1, 2, 5, 10, 11, 22, 29, 43, 55, 58, 86, 110, 145, 215, 229, 290, 319, 430, 458, 473, 638, 946, 1145, 1247, 1595, 2290, 2365, 2494, 2519, 3190, 4730, 5038, 6235, 6641, 9847, 12470, 12595, 13282, 13717, 19694, 25190, 27434, 33205, 49235, 66410, 68585, 73051, 98470, 108317, 137170, 146102, 216634, 285563, 365255, 541585, 571126, 730510, 1083170, 1427815, 2855630, 3141193, 6282386, 15705965, 31411930]

約数ペア:

[(1, 31411930), (2, 15705965), (5, 6282386), (10, 3141193), (11, 2855630), (22, 1427815), (29, 1083170), (43, 730510), (55, 571126), (58, 541585), (86, 365255), (110, 285563), (145, 216634), (215, 146102), (229, 137170), (290, 108317), (319, 98470), (430, 73051), (458, 68585), (473, 66410), (638, 49235), (946, 33205), (1145, 27434), (1247, 25190), (1595, 19694), (2290, 13717), (2365, 13282), (2494, 12595), (2519, 12470), (3190, 9847), (4730, 6641), (5038, 6235)]