207913720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742549}}^1$

素因数の和:742567

約数の個数: 32

約数和(自身を含む): 534636000

約数和(自身を除く): 326722280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742549, 1485098, 2970196, 3712745, 5197843, 5940392, 7425490, 10395686, 14850980, 20791372, 25989215, 29701960, 41582744, 51978430, 103956860, 207913720]

約数ペア:

[(1, 207913720), (2, 103956860), (4, 51978430), (5, 41582744), (7, 29701960), (8, 25989215), (10, 20791372), (14, 14850980), (20, 10395686), (28, 7425490), (35, 5940392), (40, 5197843), (56, 3712745), (70, 2970196), (140, 1485098), (280, 742549)]