156958997380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1946899}}^1$

素因数の和:1947076

約数の個数: 48

約数和(自身を含む): 343433160000

約数和(自身を除く): 186474162620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 20155, 40310, 80620, 1946899, 3893798, 7787596, 9734495, 19468990, 38937980, 56460071, 112920142, 225840284, 270618961, 282300355, 541237922, 564600710, 1082475844, 1129201420, 1353094805, 2706189610, 5412379220, 7847949869, 15695899738, 31391799476, 39239749345, 78479498690, 156958997380]

約数ペア:

[(1, 156958997380), (2, 78479498690), (4, 39239749345), (5, 31391799476), (10, 15695899738), (20, 7847949869), (29, 5412379220), (58, 2706189610), (116, 1353094805), (139, 1129201420), (145, 1082475844), (278, 564600710), (290, 541237922), (556, 282300355), (580, 270618961), (695, 225840284), (1390, 112920142), (2780, 56460071), (4031, 38937980), (8062, 19468990), (16124, 9734495), (20155, 7787596), (40310, 3893798), (80620, 1946899)]