79421620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1223}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 177666048

約数和(自身を除く): 98244428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1223, 1910, 2446, 3247, 3820, 4892, 6115, 6494, 12230, 12988, 16235, 20791, 24460, 32470, 41582, 64940, 83164, 103955, 207910, 233593, 415820, 467186, 934372, 1167965, 2335930, 3971081, 4671860, 7942162, 15884324, 19855405, 39710810, 79421620]

約数ペア:

[(1, 79421620), (2, 39710810), (4, 19855405), (5, 15884324), (10, 7942162), (17, 4671860), (20, 3971081), (34, 2335930), (68, 1167965), (85, 934372), (170, 467186), (191, 415820), (340, 233593), (382, 207910), (764, 103955), (955, 83164), (1223, 64940), (1910, 41582), (2446, 32470), (3247, 24460), (3820, 20791), (4892, 16235), (6115, 12988), (6494, 12230)]