77104580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7757}}^1$

素因数の和:7844

約数の個数: 48

約数和(自身を含む): 187681536

約数和(自身を除く): 110576956

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, 7757, 9940, 15514, 31028, 38785, 54299, 77570, 108598, 155140, 217196, 271495, 542990, 550747, 1085980, 1101494, 2202988, 2753735, 3855229, 5507470, 7710458, 11014940, 15420916, 19276145, 38552290, 77104580]

約数ペア:

[(1, 77104580), (2, 38552290), (4, 19276145), (5, 15420916), (7, 11014940), (10, 7710458), (14, 5507470), (20, 3855229), (28, 2753735), (35, 2202988), (70, 1101494), (71, 1085980), (140, 550747), (142, 542990), (284, 271495), (355, 217196), (497, 155140), (710, 108598), (994, 77570), (1420, 54299), (1988, 38785), (2485, 31028), (4970, 15514), (7757, 9940)]