7091480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 17729280

約数和(自身を除く): 10637800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 227, 284, 355, 440, 454, 568, 710, 781, 908, 1135, 1420, 1562, 1816, 2270, 2497, 2840, 3124, 3905, 4540, 4994, 6248, 7810, 9080, 9988, 12485, 15620, 16117, 19976, 24970, 31240, 32234, 49940, 64468, 80585, 99880, 128936, 161170, 177287, 322340, 354574, 644680, 709148, 886435, 1418296, 1772870, 3545740, 7091480]

約数ペア:

[(1, 7091480), (2, 3545740), (4, 1772870), (5, 1418296), (8, 886435), (10, 709148), (11, 644680), (20, 354574), (22, 322340), (40, 177287), (44, 161170), (55, 128936), (71, 99880), (88, 80585), (110, 64468), (142, 49940), (220, 32234), (227, 31240), (284, 24970), (355, 19976), (440, 16117), (454, 15620), (568, 12485), (710, 9988), (781, 9080), (908, 7810), (1135, 6248), (1420, 4994), (1562, 4540), (1816, 3905), (2270, 3124), (2497, 2840)]