290694564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2579}}^1$

素因数の和:2721

約数の個数: 72

約数和(自身を含む): 766321920

約数和(自身を除く): 475627356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 101, 124, 186, 202, 279, 303, 372, 404, 558, 606, 909, 1116, 1212, 1818, 2579, 3131, 3636, 5158, 6262, 7737, 9393, 10316, 12524, 15474, 18786, 23211, 28179, 30948, 37572, 46422, 56358, 79949, 92844, 112716, 159898, 239847, 260479, 319796, 479694, 520958, 719541, 781437, 959388, 1041916, 1439082, 1562874, 2344311, 2878164, 3125748, 4688622, 8074849, 9377244, 16149698, 24224547, 32299396, 48449094, 72673641, 96898188, 145347282, 290694564]

約数ペア:

[(1, 290694564), (2, 145347282), (3, 96898188), (4, 72673641), (6, 48449094), (9, 32299396), (12, 24224547), (18, 16149698), (31, 9377244), (36, 8074849), (62, 4688622), (93, 3125748), (101, 2878164), (124, 2344311), (186, 1562874), (202, 1439082), (279, 1041916), (303, 959388), (372, 781437), (404, 719541), (558, 520958), (606, 479694), (909, 319796), (1116, 260479), (1212, 239847), (1818, 159898), (2579, 112716), (3131, 92844), (3636, 79949), (5158, 56358), (6262, 46422), (7737, 37572), (9393, 30948), (10316, 28179), (12524, 23211), (15474, 18786)]