31139290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1847

約数の個数: 64

約数和(自身を含む): 72656640

約数和(自身を除く): 41517350

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 1801, 2470, 3458, 3602, 8645, 9005, 12607, 17290, 18010, 23413, 25214, 34219, 46826, 63035, 68438, 117065, 126070, 163891, 171095, 234130, 239533, 327782, 342190, 444847, 479066, 819455, 889694, 1197665, 1638910, 2224235, 2395330, 3113929, 4448470, 6227858, 15569645, 31139290]

約数ペア:

[(1, 31139290), (2, 15569645), (5, 6227858), (7, 4448470), (10, 3113929), (13, 2395330), (14, 2224235), (19, 1638910), (26, 1197665), (35, 889694), (38, 819455), (65, 479066), (70, 444847), (91, 342190), (95, 327782), (130, 239533), (133, 234130), (182, 171095), (190, 163891), (247, 126070), (266, 117065), (455, 68438), (494, 63035), (665, 46826), (910, 34219), (1235, 25214), (1330, 23413), (1729, 18010), (1801, 17290), (2470, 12607), (3458, 9005), (3602, 8645)]