2801471480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1\times {\mathrm{2063}}^1$

素因数の和:4088

約数の個数: 64

約数和(自身を含む): 6680672640

約数和(自身を除く): 3879201160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1997, 2063, 3994, 4126, 7988, 8252, 9985, 10315, 15976, 16504, 19970, 20630, 33949, 35071, 39940, 41260, 67898, 70142, 79880, 82520, 135796, 140284, 169745, 175355, 271592, 280568, 339490, 350710, 678980, 701420, 1357960, 1402840, 4119811, 8239622, 16479244, 20599055, 32958488, 41198110, 70036787, 82396220, 140073574, 164792440, 280147148, 350183935, 560294296, 700367870, 1400735740, 2801471480]

約数ペア:

[(1, 2801471480), (2, 1400735740), (4, 700367870), (5, 560294296), (8, 350183935), (10, 280147148), (17, 164792440), (20, 140073574), (34, 82396220), (40, 70036787), (68, 41198110), (85, 32958488), (136, 20599055), (170, 16479244), (340, 8239622), (680, 4119811), (1997, 1402840), (2063, 1357960), (3994, 701420), (4126, 678980), (7988, 350710), (8252, 339490), (9985, 280568), (10315, 271592), (15976, 175355), (16504, 169745), (19970, 140284), (20630, 135796), (33949, 82520), (35071, 79880), (39940, 70142), (41260, 67898)]