8470040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 20109600

約数和(自身を除く): 11639560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 97, 118, 148, 185, 194, 236, 295, 296, 370, 388, 472, 485, 590, 740, 776, 970, 1180, 1480, 1940, 2183, 2360, 3589, 3880, 4366, 5723, 7178, 8732, 10915, 11446, 14356, 17464, 17945, 21830, 22892, 28615, 28712, 35890, 43660, 45784, 57230, 71780, 87320, 114460, 143560, 211751, 228920, 423502, 847004, 1058755, 1694008, 2117510, 4235020, 8470040]

約数ペア:

[(1, 8470040), (2, 4235020), (4, 2117510), (5, 1694008), (8, 1058755), (10, 847004), (20, 423502), (37, 228920), (40, 211751), (59, 143560), (74, 114460), (97, 87320), (118, 71780), (148, 57230), (185, 45784), (194, 43660), (236, 35890), (295, 28712), (296, 28615), (370, 22892), (388, 21830), (472, 17945), (485, 17464), (590, 14356), (740, 11446), (776, 10915), (970, 8732), (1180, 7178), (1480, 5723), (1940, 4366), (2183, 3880), (2360, 3589)]