78539540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7127}}^1$

素因数の和:7184

約数の個数: 48

約数和(自身を含む): 179625600

約数和(自身を除く): 101086060

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 7127, 11020, 14254, 28508, 35635, 71270, 135413, 142540, 206683, 270826, 413366, 541652, 677065, 826732, 1033415, 1354130, 2066830, 2708260, 3926977, 4133660, 7853954, 15707908, 19634885, 39269770, 78539540]

約数ペア:

[(1, 78539540), (2, 39269770), (4, 19634885), (5, 15707908), (10, 7853954), (19, 4133660), (20, 3926977), (29, 2708260), (38, 2066830), (58, 1354130), (76, 1033415), (95, 826732), (116, 677065), (145, 541652), (190, 413366), (290, 270826), (380, 206683), (551, 142540), (580, 135413), (1102, 71270), (2204, 35635), (2755, 28508), (5510, 14254), (7127, 11020)]