4401980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 10859184

約数和(自身を除く): 6457204

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 107, 110, 121, 170, 187, 214, 220, 242, 340, 374, 428, 484, 535, 605, 748, 935, 1070, 1177, 1210, 1819, 1870, 2057, 2140, 2354, 2420, 3638, 3740, 4114, 4708, 5885, 7276, 8228, 9095, 10285, 11770, 12947, 18190, 20009, 20570, 23540, 25894, 36380, 40018, 41140, 51788, 64735, 80036, 100045, 129470, 200090, 220099, 258940, 400180, 440198, 880396, 1100495, 2200990, 4401980]

約数ペア:

[(1, 4401980), (2, 2200990), (4, 1100495), (5, 880396), (10, 440198), (11, 400180), (17, 258940), (20, 220099), (22, 200090), (34, 129470), (44, 100045), (55, 80036), (68, 64735), (85, 51788), (107, 41140), (110, 40018), (121, 36380), (170, 25894), (187, 23540), (214, 20570), (220, 20009), (242, 18190), (340, 12947), (374, 11770), (428, 10285), (484, 9095), (535, 8228), (605, 7276), (748, 5885), (935, 4708), (1070, 4114), (1177, 3740), (1210, 3638), (1819, 2420), (1870, 2354), (2057, 2140)]