377634340

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 802368000

約数和(自身を除く): 424733660

約数列:

[1, 2, 4, 5, 10, 20, 199, 239, 397, 398, 478, 794, 796, 956, 995, 1195, 1588, 1985, 1990, 2390, 3970, 3980, 4780, 7940, 47561, 79003, 94883, 95122, 158006, 189766, 190244, 237805, 316012, 379532, 395015, 474415, 475610, 790030, 948830, 951220, 1580060, 1897660, 18881717, 37763434, 75526868, 94408585, 188817170, 377634340]

約数ペア:

[(1, 377634340), (2, 188817170), (4, 94408585), (5, 75526868), (10, 37763434), (20, 18881717), (199, 1897660), (239, 1580060), (397, 951220), (398, 948830), (478, 790030), (794, 475610), (796, 474415), (956, 395015), (995, 379532), (1195, 316012), (1588, 237805), (1985, 190244), (1990, 189766), (2390, 158006), (3970, 95122), (3980, 94883), (4780, 79003), (7940, 47561)]