804559220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{2351}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 1721212416

約数和(自身を除く): 916653196

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 241, 284, 355, 482, 710, 964, 1205, 1420, 2351, 2410, 4702, 4820, 9404, 11755, 17111, 23510, 34222, 47020, 68444, 85555, 166921, 171110, 333842, 342220, 566591, 667684, 834605, 1133182, 1669210, 2266364, 2832955, 3338420, 5665910, 11331820, 40227961, 80455922, 160911844, 201139805, 402279610, 804559220]

約数ペア:

[(1, 804559220), (2, 402279610), (4, 201139805), (5, 160911844), (10, 80455922), (20, 40227961), (71, 11331820), (142, 5665910), (241, 3338420), (284, 2832955), (355, 2266364), (482, 1669210), (710, 1133182), (964, 834605), (1205, 667684), (1420, 566591), (2351, 342220), (2410, 333842), (4702, 171110), (4820, 166921), (9404, 85555), (11755, 68444), (17111, 47020), (23510, 34222)]