17928680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5821}}^1$

素因数の和:5850

約数の個数: 64

約数和(自身を含む): 50302080

約数和(自身を除く): 32373400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5821, 11642, 23284, 29105, 40747, 46568, 58210, 64031, 81494, 116420, 128062, 162988, 203735, 232840, 256124, 320155, 325976, 407470, 448217, 512248, 640310, 814940, 896434, 1280620, 1629880, 1792868, 2241085, 2561240, 3585736, 4482170, 8964340, 17928680]

約数ペア:

[(1, 17928680), (2, 8964340), (4, 4482170), (5, 3585736), (7, 2561240), (8, 2241085), (10, 1792868), (11, 1629880), (14, 1280620), (20, 896434), (22, 814940), (28, 640310), (35, 512248), (40, 448217), (44, 407470), (55, 325976), (56, 320155), (70, 256124), (77, 232840), (88, 203735), (110, 162988), (140, 128062), (154, 116420), (220, 81494), (280, 64031), (308, 58210), (385, 46568), (440, 40747), (616, 29105), (770, 23284), (1540, 11642), (3080, 5821)]