2395990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2165930

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 131, 155, 262, 295, 310, 590, 655, 1310, 1829, 3658, 4061, 7729, 8122, 9145, 15458, 18290, 20305, 38645, 40610, 77290, 239599, 479198, 1197995, 2395990]

約数ペア:

[(1, 2395990), (2, 1197995), (5, 479198), (10, 239599), (31, 77290), (59, 40610), (62, 38645), (118, 20305), (131, 18290), (155, 15458), (262, 9145), (295, 8122), (310, 7729), (590, 4061), (655, 3658), (1310, 1829)]