220141220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44563}}^1$

素因数の和:44604

約数の個数: 48

約数和(自身を含む): 524072640

約数和(自身を除く): 303931420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 44563, 89126, 178252, 222815, 445630, 579319, 846697, 891260, 1158638, 1693394, 2317276, 2896595, 3386788, 4233485, 5793190, 8466970, 11007061, 11586380, 16933940, 22014122, 44028244, 55035305, 110070610, 220141220]

約数ペア:

[(1, 220141220), (2, 110070610), (4, 55035305), (5, 44028244), (10, 22014122), (13, 16933940), (19, 11586380), (20, 11007061), (26, 8466970), (38, 5793190), (52, 4233485), (65, 3386788), (76, 2896595), (95, 2317276), (130, 1693394), (190, 1158638), (247, 891260), (260, 846697), (380, 579319), (494, 445630), (988, 222815), (1235, 178252), (2470, 89126), (4940, 44563)]