7385420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 17998848

約数和(自身を除く): 10613428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 743, 994, 1420, 1486, 1988, 2485, 2972, 3715, 4970, 5201, 7430, 9940, 10402, 14860, 20804, 26005, 52010, 52753, 104020, 105506, 211012, 263765, 369271, 527530, 738542, 1055060, 1477084, 1846355, 3692710, 7385420]

約数ペア:

[(1, 7385420), (2, 3692710), (4, 1846355), (5, 1477084), (7, 1055060), (10, 738542), (14, 527530), (20, 369271), (28, 263765), (35, 211012), (70, 105506), (71, 104020), (140, 52753), (142, 52010), (284, 26005), (355, 20804), (497, 14860), (710, 10402), (743, 9940), (994, 7430), (1420, 5201), (1486, 4970), (1988, 3715), (2485, 2972)]