71388440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 171136800

約数和(自身を除く): 99748360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 277, 340, 379, 554, 680, 758, 1108, 1385, 1516, 1895, 2216, 2770, 3032, 3790, 4709, 5540, 6443, 7580, 9418, 11080, 12886, 15160, 18836, 23545, 25772, 32215, 37672, 47090, 51544, 64430, 94180, 104983, 128860, 188360, 209966, 257720, 419932, 524915, 839864, 1049830, 1784711, 2099660, 3569422, 4199320, 7138844, 8923555, 14277688, 17847110, 35694220, 71388440]

約数ペア:

[(1, 71388440), (2, 35694220), (4, 17847110), (5, 14277688), (8, 8923555), (10, 7138844), (17, 4199320), (20, 3569422), (34, 2099660), (40, 1784711), (68, 1049830), (85, 839864), (136, 524915), (170, 419932), (277, 257720), (340, 209966), (379, 188360), (554, 128860), (680, 104983), (758, 94180), (1108, 64430), (1385, 51544), (1516, 47090), (1895, 37672), (2216, 32215), (2770, 25772), (3032, 23545), (3790, 18836), (4709, 15160), (5540, 12886), (6443, 11080), (7580, 9418)]