334441640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20747}}^1$

素因数の和:20802

約数の個数: 64

約数和(自身を含む): 836559360

約数和(自身を除く): 502117720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 20747, 41494, 82988, 103735, 165976, 207470, 269711, 414940, 539422, 643157, 829880, 1078844, 1286314, 1348555, 2157688, 2572628, 2697110, 3215785, 5145256, 5394220, 6431570, 8361041, 10788440, 12863140, 16722082, 25726280, 33444164, 41805205, 66888328, 83610410, 167220820, 334441640]

約数ペア:

[(1, 334441640), (2, 167220820), (4, 83610410), (5, 66888328), (8, 41805205), (10, 33444164), (13, 25726280), (20, 16722082), (26, 12863140), (31, 10788440), (40, 8361041), (52, 6431570), (62, 5394220), (65, 5145256), (104, 3215785), (124, 2697110), (130, 2572628), (155, 2157688), (248, 1348555), (260, 1286314), (310, 1078844), (403, 829880), (520, 643157), (620, 539422), (806, 414940), (1240, 269711), (1612, 207470), (2015, 165976), (3224, 103735), (4030, 82988), (8060, 41494), (16120, 20747)]