5518940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 13440000

約数和(自身を除く): 7921060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 499, 553, 790, 998, 1106, 1580, 1996, 2212, 2495, 2765, 3493, 4990, 5530, 6986, 9980, 11060, 13972, 17465, 34930, 39421, 69860, 78842, 157684, 197105, 275947, 394210, 551894, 788420, 1103788, 1379735, 2759470, 5518940]

約数ペア:

[(1, 5518940), (2, 2759470), (4, 1379735), (5, 1103788), (7, 788420), (10, 551894), (14, 394210), (20, 275947), (28, 197105), (35, 157684), (70, 78842), (79, 69860), (140, 39421), (158, 34930), (316, 17465), (395, 13972), (499, 11060), (553, 9980), (790, 6986), (998, 5530), (1106, 4990), (1580, 3493), (1996, 2765), (2212, 2495)]