201970280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2027}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 473091840

約数和(自身を除く): 271121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 940, 1060, 1880, 2027, 2120, 2491, 4054, 4982, 8108, 9964, 10135, 12455, 16216, 19928, 20270, 24910, 40540, 49820, 81080, 95269, 99640, 107431, 190538, 214862, 381076, 429724, 476345, 537155, 762152, 859448, 952690, 1074310, 1905380, 2148620, 3810760, 4297240, 5049257, 10098514, 20197028, 25246285, 40394056, 50492570, 100985140, 201970280]

約数ペア:

[(1, 201970280), (2, 100985140), (4, 50492570), (5, 40394056), (8, 25246285), (10, 20197028), (20, 10098514), (40, 5049257), (47, 4297240), (53, 3810760), (94, 2148620), (106, 1905380), (188, 1074310), (212, 952690), (235, 859448), (265, 762152), (376, 537155), (424, 476345), (470, 429724), (530, 381076), (940, 214862), (1060, 190538), (1880, 107431), (2027, 99640), (2120, 95269), (2491, 81080), (4054, 49820), (4982, 40540), (8108, 24910), (9964, 20270), (10135, 19928), (12455, 16216)]