49889980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 120185856

約数和(自身を除く): 70295876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 971, 1468, 1835, 1942, 2569, 3670, 3884, 4855, 5138, 6797, 7340, 9710, 10276, 12845, 13594, 19420, 25690, 27188, 33985, 51380, 67970, 135940, 356357, 712714, 1425428, 1781785, 2494499, 3563570, 4988998, 7127140, 9977996, 12472495, 24944990, 49889980]

約数ペア:

[(1, 49889980), (2, 24944990), (4, 12472495), (5, 9977996), (7, 7127140), (10, 4988998), (14, 3563570), (20, 2494499), (28, 1781785), (35, 1425428), (70, 712714), (140, 356357), (367, 135940), (734, 67970), (971, 51380), (1468, 33985), (1835, 27188), (1942, 25690), (2569, 19420), (3670, 13594), (3884, 12845), (4855, 10276), (5138, 9710), (6797, 7340)]