406120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 1088640

約数和(自身を除く): 682520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 220, 260, 284, 286, 355, 440, 520, 568, 572, 710, 715, 781, 923, 1144, 1420, 1430, 1562, 1846, 2840, 2860, 3124, 3692, 3905, 4615, 5720, 6248, 7384, 7810, 9230, 10153, 15620, 18460, 20306, 31240, 36920, 40612, 50765, 81224, 101530, 203060, 406120]

約数ペア:

[(1, 406120), (2, 203060), (4, 101530), (5, 81224), (8, 50765), (10, 40612), (11, 36920), (13, 31240), (20, 20306), (22, 18460), (26, 15620), (40, 10153), (44, 9230), (52, 7810), (55, 7384), (65, 6248), (71, 5720), (88, 4615), (104, 3905), (110, 3692), (130, 3124), (142, 2860), (143, 2840), (220, 1846), (260, 1562), (284, 1430), (286, 1420), (355, 1144), (440, 923), (520, 781), (568, 715), (572, 710)]