8394820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 20498688

約数和(自身を除く): 12103868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 983, 1220, 1708, 1966, 2135, 3932, 4270, 4915, 6881, 8540, 9830, 13762, 19660, 27524, 34405, 59963, 68810, 119926, 137620, 239852, 299815, 419741, 599630, 839482, 1199260, 1678964, 2098705, 4197410, 8394820]

約数ペア:

[(1, 8394820), (2, 4197410), (4, 2098705), (5, 1678964), (7, 1199260), (10, 839482), (14, 599630), (20, 419741), (28, 299815), (35, 239852), (61, 137620), (70, 119926), (122, 68810), (140, 59963), (244, 34405), (305, 27524), (427, 19660), (610, 13762), (854, 9830), (983, 8540), (1220, 6881), (1708, 4915), (1966, 4270), (2135, 3932)]