31199740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10909}}^1$

素因数の和:10942

約数の個数: 48

約数和(自身を含む): 76980960

約数和(自身を除く): 45781220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10909, 21818, 43636, 54545, 109090, 119999, 141817, 218180, 239998, 283634, 479996, 567268, 599995, 709085, 1199990, 1418170, 1559987, 2399980, 2836340, 3119974, 6239948, 7799935, 15599870, 31199740]

約数ペア:

[(1, 31199740), (2, 15599870), (4, 7799935), (5, 6239948), (10, 3119974), (11, 2836340), (13, 2399980), (20, 1559987), (22, 1418170), (26, 1199990), (44, 709085), (52, 599995), (55, 567268), (65, 479996), (110, 283634), (130, 239998), (143, 218180), (220, 141817), (260, 119999), (286, 109090), (572, 54545), (715, 43636), (1430, 21818), (2860, 10909)]