129460520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2347}}^1$

素因数の和:2562

約数の個数: 64

約数和(自身を含む): 334730880

約数和(自身を除く): 205270360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2347, 2758, 3940, 4694, 5516, 6895, 7880, 9388, 11032, 11735, 13790, 16429, 18776, 23470, 27580, 32858, 46940, 55160, 65716, 82145, 93880, 131432, 164290, 328580, 462359, 657160, 924718, 1849436, 2311795, 3236513, 3698872, 4623590, 6473026, 9247180, 12946052, 16182565, 18494360, 25892104, 32365130, 64730260, 129460520]

約数ペア:

[(1, 129460520), (2, 64730260), (4, 32365130), (5, 25892104), (7, 18494360), (8, 16182565), (10, 12946052), (14, 9247180), (20, 6473026), (28, 4623590), (35, 3698872), (40, 3236513), (56, 2311795), (70, 1849436), (140, 924718), (197, 657160), (280, 462359), (394, 328580), (788, 164290), (985, 131432), (1379, 93880), (1576, 82145), (1970, 65716), (2347, 55160), (2758, 46940), (3940, 32858), (4694, 27580), (5516, 23470), (6895, 18776), (7880, 16429), (9388, 13790), (11032, 11735)]