2988020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3049}}^1$

素因数の和:3072

約数の個数: 36

約数和(自身を含む): 7301700

約数和(自身を除く): 4313680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3049, 6098, 12196, 15245, 21343, 30490, 42686, 60980, 85372, 106715, 149401, 213430, 298802, 426860, 597604, 747005, 1494010, 2988020]

約数ペア:

[(1, 2988020), (2, 1494010), (4, 747005), (5, 597604), (7, 426860), (10, 298802), (14, 213430), (20, 149401), (28, 106715), (35, 85372), (49, 60980), (70, 42686), (98, 30490), (140, 21343), (196, 15245), (245, 12196), (490, 6098), (980, 3049)]