42920210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 79709184

約数和(自身を除く): 36788974

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 991, 1982, 4331, 4955, 8662, 9910, 21655, 43310, 60451, 70361, 120902, 140722, 302255, 351805, 604510, 703610, 4292021, 8584042, 21460105, 42920210]

約数ペア:

[(1, 42920210), (2, 21460105), (5, 8584042), (10, 4292021), (61, 703610), (71, 604510), (122, 351805), (142, 302255), (305, 140722), (355, 120902), (610, 70361), (710, 60451), (991, 43310), (1982, 21655), (4331, 9910), (4955, 8662)]