251637880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1747}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 612289440

約数和(自身を除く): 360651560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 1108, 1385, 1747, 2216, 2770, 3494, 3601, 5540, 6988, 7202, 8735, 11080, 13976, 14404, 17470, 18005, 22711, 28808, 34940, 36010, 45422, 69880, 72020, 90844, 113555, 144040, 181688, 227110, 454220, 483919, 908440, 967838, 1935676, 2419595, 3871352, 4839190, 6290947, 9678380, 12581894, 19356760, 25163788, 31454735, 50327576, 62909470, 125818940, 251637880]

約数ペア:

[(1, 251637880), (2, 125818940), (4, 62909470), (5, 50327576), (8, 31454735), (10, 25163788), (13, 19356760), (20, 12581894), (26, 9678380), (40, 6290947), (52, 4839190), (65, 3871352), (104, 2419595), (130, 1935676), (260, 967838), (277, 908440), (520, 483919), (554, 454220), (1108, 227110), (1385, 181688), (1747, 144040), (2216, 113555), (2770, 90844), (3494, 72020), (3601, 69880), (5540, 45422), (6988, 36010), (7202, 34940), (8735, 28808), (11080, 22711), (13976, 18005), (14404, 17470)]