12180980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 29465856

約数和(自身を除く): 17284876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 521, 668, 835, 1042, 1169, 1670, 2084, 2338, 2605, 3340, 3647, 4676, 5210, 5845, 7294, 10420, 11690, 14588, 18235, 23380, 36470, 72940, 87007, 174014, 348028, 435035, 609049, 870070, 1218098, 1740140, 2436196, 3045245, 6090490, 12180980]

約数ペア:

[(1, 12180980), (2, 6090490), (4, 3045245), (5, 2436196), (7, 1740140), (10, 1218098), (14, 870070), (20, 609049), (28, 435035), (35, 348028), (70, 174014), (140, 87007), (167, 72940), (334, 36470), (521, 23380), (668, 18235), (835, 14588), (1042, 11690), (1169, 10420), (1670, 7294), (2084, 5845), (2338, 5210), (2605, 4676), (3340, 3647)]