90412252

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 191328480

約数和(自身を除く): 100916228

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 73, 89, 98, 142, 146, 178, 196, 284, 292, 356, 497, 511, 623, 994, 1022, 1246, 1988, 2044, 2492, 3479, 3577, 4361, 5183, 6319, 6497, 6958, 7154, 8722, 10366, 12638, 12994, 13916, 14308, 17444, 20732, 25276, 25988, 36281, 44233, 45479, 72562, 88466, 90958, 145124, 176932, 181916, 253967, 309631, 318353, 461287, 507934, 619262, 636706, 922574, 1015868, 1238524, 1273412, 1845148, 3229009, 6458018, 12916036, 22603063, 45206126, 90412252]

約数ペア:

[(1, 90412252), (2, 45206126), (4, 22603063), (7, 12916036), (14, 6458018), (28, 3229009), (49, 1845148), (71, 1273412), (73, 1238524), (89, 1015868), (98, 922574), (142, 636706), (146, 619262), (178, 507934), (196, 461287), (284, 318353), (292, 309631), (356, 253967), (497, 181916), (511, 176932), (623, 145124), (994, 90958), (1022, 88466), (1246, 72562), (1988, 45479), (2044, 44233), (2492, 36281), (3479, 25988), (3577, 25276), (4361, 20732), (5183, 17444), (6319, 14308), (6497, 13916), (6958, 12994), (7154, 12638), (8722, 10366)]