7931980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 19414080

約数和(自身を除く): 11482100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1069, 1484, 1855, 2138, 3710, 4276, 5345, 7420, 7483, 10690, 14966, 21380, 29932, 37415, 56657, 74830, 113314, 149660, 226628, 283285, 396599, 566570, 793198, 1133140, 1586396, 1982995, 3965990, 7931980]

約数ペア:

[(1, 7931980), (2, 3965990), (4, 1982995), (5, 1586396), (7, 1133140), (10, 793198), (14, 566570), (20, 396599), (28, 283285), (35, 226628), (53, 149660), (70, 113314), (106, 74830), (140, 56657), (212, 37415), (265, 29932), (371, 21380), (530, 14966), (742, 10690), (1060, 7483), (1069, 7420), (1484, 5345), (1855, 4276), (2138, 3710)]