804951020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{11897}}^1$

素因数の和:12122

約数の個数: 48

約数和(自身を含む): 1798977600

約数和(自身を除く): 994026580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3383, 3980, 6766, 11897, 13532, 16915, 23794, 33830, 47588, 59485, 67660, 118970, 202249, 237940, 404498, 808996, 1011245, 2022490, 2367503, 4044980, 4735006, 9470012, 11837515, 23675030, 40247551, 47350060, 80495102, 160990204, 201237755, 402475510, 804951020]

約数ペア:

[(1, 804951020), (2, 402475510), (4, 201237755), (5, 160990204), (10, 80495102), (17, 47350060), (20, 40247551), (34, 23675030), (68, 11837515), (85, 9470012), (170, 4735006), (199, 4044980), (340, 2367503), (398, 2022490), (796, 1011245), (995, 808996), (1990, 404498), (3383, 237940), (3980, 202249), (6766, 118970), (11897, 67660), (13532, 59485), (16915, 47588), (23794, 33830)]