397789470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{339991}}^1$

素因数の和:340017

約数の個数: 48

約数和(自身を含む): 1113813792

約数和(自身を除く): 716024322

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 339991, 679982, 1019973, 1699955, 2039946, 3059919, 3399910, 4419883, 5099865, 6119838, 8839766, 10199730, 13259649, 15299595, 22099415, 26519298, 30599190, 39778947, 44198830, 66298245, 79557894, 132596490, 198894735, 397789470]

約数ペア:

[(1, 397789470), (2, 198894735), (3, 132596490), (5, 79557894), (6, 66298245), (9, 44198830), (10, 39778947), (13, 30599190), (15, 26519298), (18, 22099415), (26, 15299595), (30, 13259649), (39, 10199730), (45, 8839766), (65, 6119838), (78, 5099865), (90, 4419883), (117, 3399910), (130, 3059919), (195, 2039946), (234, 1699955), (390, 1019973), (585, 679982), (1170, 339991)]