2180560360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{450529}}^1$

素因数の和:450562

約数の個数: 48

約数和(自身を含む): 5392844100

約数和(自身を除く): 3212283740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 450529, 901058, 1802116, 2252645, 3604232, 4505290, 4955819, 9010580, 9911638, 18021160, 19823276, 24779095, 39646552, 49558190, 54514009, 99116380, 109028018, 198232760, 218056036, 272570045, 436112072, 545140090, 1090280180, 2180560360]

約数ペア:

[(1, 2180560360), (2, 1090280180), (4, 545140090), (5, 436112072), (8, 272570045), (10, 218056036), (11, 198232760), (20, 109028018), (22, 99116380), (40, 54514009), (44, 49558190), (55, 39646552), (88, 24779095), (110, 19823276), (121, 18021160), (220, 9911638), (242, 9010580), (440, 4955819), (484, 4505290), (605, 3604232), (968, 2252645), (1210, 1802116), (2420, 901058), (4840, 450529)]