131361580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1487}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 315979776

約数和(自身を除く): 184618196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 1487, 2524, 2974, 3155, 4417, 5948, 6310, 7435, 8834, 10409, 12620, 14870, 17668, 20818, 22085, 29740, 41636, 44170, 52045, 88340, 104090, 208180, 938297, 1876594, 3753188, 4691485, 6568079, 9382970, 13136158, 18765940, 26272316, 32840395, 65680790, 131361580]

約数ペア:

[(1, 131361580), (2, 65680790), (4, 32840395), (5, 26272316), (7, 18765940), (10, 13136158), (14, 9382970), (20, 6568079), (28, 4691485), (35, 3753188), (70, 1876594), (140, 938297), (631, 208180), (1262, 104090), (1487, 88340), (2524, 52045), (2974, 44170), (3155, 41636), (4417, 29740), (5948, 22085), (6310, 20818), (7435, 17668), (8834, 14870), (10409, 12620)]