57085420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5743}}^1$

素因数の和:5830

約数の個数: 48

約数和(自身を含む): 138958848

約数和(自身を除く): 81873428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5743, 9940, 11486, 22972, 28715, 40201, 57430, 80402, 114860, 160804, 201005, 402010, 407753, 804020, 815506, 1631012, 2038765, 2854271, 4077530, 5708542, 8155060, 11417084, 14271355, 28542710, 57085420]

約数ペア:

[(1, 57085420), (2, 28542710), (4, 14271355), (5, 11417084), (7, 8155060), (10, 5708542), (14, 4077530), (20, 2854271), (28, 2038765), (35, 1631012), (70, 815506), (71, 804020), (140, 407753), (142, 402010), (284, 201005), (355, 160804), (497, 114860), (710, 80402), (994, 57430), (1420, 40201), (1988, 28715), (2485, 22972), (4970, 11486), (5743, 9940)]