7291240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 18221760

約数和(自身を除く): 10930520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 227, 292, 365, 440, 454, 584, 730, 803, 908, 1135, 1460, 1606, 1816, 2270, 2497, 2920, 3212, 4015, 4540, 4994, 6424, 8030, 9080, 9988, 12485, 16060, 16571, 19976, 24970, 32120, 33142, 49940, 66284, 82855, 99880, 132568, 165710, 182281, 331420, 364562, 662840, 729124, 911405, 1458248, 1822810, 3645620, 7291240]

約数ペア:

[(1, 7291240), (2, 3645620), (4, 1822810), (5, 1458248), (8, 911405), (10, 729124), (11, 662840), (20, 364562), (22, 331420), (40, 182281), (44, 165710), (55, 132568), (73, 99880), (88, 82855), (110, 66284), (146, 49940), (220, 33142), (227, 32120), (292, 24970), (365, 19976), (440, 16571), (454, 16060), (584, 12485), (730, 9988), (803, 9080), (908, 8030), (1135, 6424), (1460, 4994), (1606, 4540), (1816, 4015), (2270, 3212), (2497, 2920)]