2017507780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{12611}}^1$

素因数の和:13060

約数の個数: 48

約数和(自身を含む): 4470701760

約数和(自身を除く): 2453193980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 421, 842, 1684, 2105, 4210, 7999, 8420, 12611, 15998, 25222, 31996, 39995, 50444, 63055, 79990, 126110, 159980, 239609, 252220, 479218, 958436, 1198045, 2396090, 4792180, 5309231, 10618462, 21236924, 26546155, 53092310, 100875389, 106184620, 201750778, 403501556, 504376945, 1008753890, 2017507780]

約数ペア:

[(1, 2017507780), (2, 1008753890), (4, 504376945), (5, 403501556), (10, 201750778), (19, 106184620), (20, 100875389), (38, 53092310), (76, 26546155), (95, 21236924), (190, 10618462), (380, 5309231), (421, 4792180), (842, 2396090), (1684, 1198045), (2105, 958436), (4210, 479218), (7999, 252220), (8420, 239609), (12611, 159980), (15998, 126110), (25222, 79990), (31996, 63055), (39995, 50444)]