78447580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3499}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 97952420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 3499, 4484, 5605, 6998, 11210, 13996, 17495, 22420, 34990, 66481, 69980, 132962, 206441, 265924, 332405, 412882, 664810, 825764, 1032205, 1329620, 2064410, 3922379, 4128820, 7844758, 15689516, 19611895, 39223790, 78447580]

約数ペア:

[(1, 78447580), (2, 39223790), (4, 19611895), (5, 15689516), (10, 7844758), (19, 4128820), (20, 3922379), (38, 2064410), (59, 1329620), (76, 1032205), (95, 825764), (118, 664810), (190, 412882), (236, 332405), (295, 265924), (380, 206441), (590, 132962), (1121, 69980), (1180, 66481), (2242, 34990), (3499, 22420), (4484, 17495), (5605, 13996), (6998, 11210)]