31232390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 70640640

約数和(自身を除く): 39408250

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 805, 874, 1021, 1330, 1610, 2042, 2185, 3059, 4370, 5105, 6118, 7147, 10210, 14294, 15295, 19399, 23483, 30590, 35735, 38798, 46966, 71470, 96995, 117415, 135793, 164381, 193990, 234830, 271586, 328762, 446177, 678965, 821905, 892354, 1357930, 1643810, 2230885, 3123239, 4461770, 6246478, 15616195, 31232390]

約数ペア:

[(1, 31232390), (2, 15616195), (5, 6246478), (7, 4461770), (10, 3123239), (14, 2230885), (19, 1643810), (23, 1357930), (35, 892354), (38, 821905), (46, 678965), (70, 446177), (95, 328762), (115, 271586), (133, 234830), (161, 193990), (190, 164381), (230, 135793), (266, 117415), (322, 96995), (437, 71470), (665, 46966), (805, 38798), (874, 35735), (1021, 30590), (1330, 23483), (1610, 19399), (2042, 15295), (2185, 14294), (3059, 10210), (4370, 7147), (5105, 6118)]