17983960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 43740000

約数和(自身を除く): 25756040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 499, 530, 680, 901, 998, 1060, 1802, 1996, 2120, 2495, 3604, 3992, 4505, 4990, 7208, 8483, 9010, 9980, 16966, 18020, 19960, 26447, 33932, 36040, 42415, 52894, 67864, 84830, 105788, 132235, 169660, 211576, 264470, 339320, 449599, 528940, 899198, 1057880, 1798396, 2247995, 3596792, 4495990, 8991980, 17983960]

約数ペア:

[(1, 17983960), (2, 8991980), (4, 4495990), (5, 3596792), (8, 2247995), (10, 1798396), (17, 1057880), (20, 899198), (34, 528940), (40, 449599), (53, 339320), (68, 264470), (85, 211576), (106, 169660), (136, 132235), (170, 105788), (212, 84830), (265, 67864), (340, 52894), (424, 42415), (499, 36040), (530, 33932), (680, 26447), (901, 19960), (998, 18020), (1060, 16966), (1802, 9980), (1996, 9010), (2120, 8483), (2495, 7208), (3604, 4990), (3992, 4505)]