204842120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3061}}^1$

素因数の和:3318

約数の個数: 64

約数和(自身を含む): 529113600

約数和(自身を除く): 324271480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3061, 3346, 4780, 6122, 6692, 8365, 9560, 12244, 13384, 15305, 16730, 21427, 24488, 30610, 33460, 42854, 61220, 66920, 85708, 107135, 122440, 171416, 214270, 428540, 731579, 857080, 1463158, 2926316, 3657895, 5121053, 5852632, 7315790, 10242106, 14631580, 20484212, 25605265, 29263160, 40968424, 51210530, 102421060, 204842120]

約数ペア:

[(1, 204842120), (2, 102421060), (4, 51210530), (5, 40968424), (7, 29263160), (8, 25605265), (10, 20484212), (14, 14631580), (20, 10242106), (28, 7315790), (35, 5852632), (40, 5121053), (56, 3657895), (70, 2926316), (140, 1463158), (239, 857080), (280, 731579), (478, 428540), (956, 214270), (1195, 171416), (1673, 122440), (1912, 107135), (2390, 85708), (3061, 66920), (3346, 61220), (4780, 42854), (6122, 33460), (6692, 30610), (8365, 24488), (9560, 21427), (12244, 16730), (13384, 15305)]