54879220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 132880608

約数和(自身を除く): 78001388

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 691, 722, 836, 1045, 1382, 1444, 1805, 2090, 2764, 3455, 3610, 3971, 4180, 6910, 7220, 7601, 7942, 13129, 13820, 15202, 15884, 19855, 26258, 30404, 38005, 39710, 52516, 65645, 76010, 79420, 131290, 144419, 152020, 249451, 262580, 288838, 498902, 577676, 722095, 997804, 1247255, 1444190, 2494510, 2743961, 2888380, 4989020, 5487922, 10975844, 13719805, 27439610, 54879220]

約数ペア:

[(1, 54879220), (2, 27439610), (4, 13719805), (5, 10975844), (10, 5487922), (11, 4989020), (19, 2888380), (20, 2743961), (22, 2494510), (38, 1444190), (44, 1247255), (55, 997804), (76, 722095), (95, 577676), (110, 498902), (190, 288838), (209, 262580), (220, 249451), (361, 152020), (380, 144419), (418, 131290), (691, 79420), (722, 76010), (836, 65645), (1045, 52516), (1382, 39710), (1444, 38005), (1805, 30404), (2090, 26258), (2764, 19855), (3455, 15884), (3610, 15202), (3971, 13820), (4180, 13129), (6910, 7942), (7220, 7601)]