971309960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{1877}}^1$

素因数の和:2666

約数の個数: 64

約数和(自身を含む): 2318278320

約数和(自身を除く): 1346968360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 761, 1522, 1877, 3044, 3754, 3805, 6088, 7508, 7610, 9385, 12937, 15016, 15220, 18770, 25874, 30440, 31909, 37540, 51748, 63818, 64685, 75080, 103496, 127636, 129370, 159545, 255272, 258740, 319090, 517480, 638180, 1276360, 1428397, 2856794, 5713588, 7141985, 11427176, 14283970, 24282749, 28567940, 48565498, 57135880, 97130996, 121413745, 194261992, 242827490, 485654980, 971309960]

約数ペア:

[(1, 971309960), (2, 485654980), (4, 242827490), (5, 194261992), (8, 121413745), (10, 97130996), (17, 57135880), (20, 48565498), (34, 28567940), (40, 24282749), (68, 14283970), (85, 11427176), (136, 7141985), (170, 5713588), (340, 2856794), (680, 1428397), (761, 1276360), (1522, 638180), (1877, 517480), (3044, 319090), (3754, 258740), (3805, 255272), (6088, 159545), (7508, 129370), (7610, 127636), (9385, 103496), (12937, 75080), (15016, 64685), (15220, 63818), (18770, 51748), (25874, 37540), (30440, 31909)]