28931870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 31893730

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 127, 190, 209, 218, 254, 418, 545, 635, 1045, 1090, 1199, 1270, 1397, 2071, 2090, 2398, 2413, 2794, 4142, 4826, 5995, 6985, 10355, 11990, 12065, 13843, 13970, 20710, 22781, 24130, 26543, 27686, 45562, 53086, 69215, 113905, 132715, 138430, 152273, 227810, 263017, 265430, 304546, 526034, 761365, 1315085, 1522730, 2630170, 2893187, 5786374, 14465935, 28931870]

約数ペア:

[(1, 28931870), (2, 14465935), (5, 5786374), (10, 2893187), (11, 2630170), (19, 1522730), (22, 1315085), (38, 761365), (55, 526034), (95, 304546), (109, 265430), (110, 263017), (127, 227810), (190, 152273), (209, 138430), (218, 132715), (254, 113905), (418, 69215), (545, 53086), (635, 45562), (1045, 27686), (1090, 26543), (1199, 24130), (1270, 22781), (1397, 20710), (2071, 13970), (2090, 13843), (2398, 12065), (2413, 11990), (2794, 10355), (4142, 6985), (4826, 5995)]