164247020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8821}}^1$

素因数の和:8863

約数の個数: 72

約数和(自身を含む): 422397360

約数和(自身を除く): 258150340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 8821, 9310, 17642, 18620, 35284, 44105, 61747, 88210, 123494, 167599, 176420, 246988, 308735, 335198, 432229, 617470, 670396, 837995, 864458, 1173193, 1234940, 1675990, 1728916, 2161145, 2346386, 3351980, 4322290, 4692772, 5865965, 8212351, 8644580, 11731930, 16424702, 23463860, 32849404, 41061755, 82123510, 164247020]

約数ペア:

[(1, 164247020), (2, 82123510), (4, 41061755), (5, 32849404), (7, 23463860), (10, 16424702), (14, 11731930), (19, 8644580), (20, 8212351), (28, 5865965), (35, 4692772), (38, 4322290), (49, 3351980), (70, 2346386), (76, 2161145), (95, 1728916), (98, 1675990), (133, 1234940), (140, 1173193), (190, 864458), (196, 837995), (245, 670396), (266, 617470), (380, 432229), (490, 335198), (532, 308735), (665, 246988), (931, 176420), (980, 167599), (1330, 123494), (1862, 88210), (2660, 61747), (3724, 44105), (4655, 35284), (8821, 18620), (9310, 17642)]