31450890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2451

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 51493110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 2185, 2399, 2622, 4370, 4798, 6555, 7197, 11995, 13110, 14394, 23990, 35985, 45581, 55177, 71970, 91162, 110354, 136743, 165531, 227905, 273486, 275885, 331062, 455810, 551770, 683715, 827655, 1048363, 1367430, 1655310, 2096726, 3145089, 5241815, 6290178, 10483630, 15725445, 31450890]

約数ペア:

[(1, 31450890), (2, 15725445), (3, 10483630), (5, 6290178), (6, 5241815), (10, 3145089), (15, 2096726), (19, 1655310), (23, 1367430), (30, 1048363), (38, 827655), (46, 683715), (57, 551770), (69, 455810), (95, 331062), (114, 275885), (115, 273486), (138, 227905), (190, 165531), (230, 136743), (285, 110354), (345, 91162), (437, 71970), (570, 55177), (690, 45581), (874, 35985), (1311, 23990), (2185, 14394), (2399, 13110), (2622, 11995), (4370, 7197), (4798, 6555)]