201903880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2351}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 482630400

約数和(自身を除く): 280726520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 1130, 2147, 2260, 2351, 4294, 4520, 4702, 8588, 9404, 10735, 11755, 17176, 18808, 21470, 23510, 42940, 44669, 47020, 85880, 89338, 94040, 178676, 223345, 265663, 357352, 446690, 531326, 893380, 1062652, 1328315, 1786760, 2125304, 2656630, 5047597, 5313260, 10095194, 10626520, 20190388, 25237985, 40380776, 50475970, 100951940, 201903880]

約数ペア:

[(1, 201903880), (2, 100951940), (4, 50475970), (5, 40380776), (8, 25237985), (10, 20190388), (19, 10626520), (20, 10095194), (38, 5313260), (40, 5047597), (76, 2656630), (95, 2125304), (113, 1786760), (152, 1328315), (190, 1062652), (226, 893380), (380, 531326), (452, 446690), (565, 357352), (760, 265663), (904, 223345), (1130, 178676), (2147, 94040), (2260, 89338), (2351, 85880), (4294, 47020), (4520, 44669), (4702, 42940), (8588, 23510), (9404, 21470), (10735, 18808), (11755, 17176)]