129400760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3271}}^1$

素因数の和:3348

約数の個数: 64

約数和(自身を含む): 310970880

約数和(自身を除く): 181570120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3271, 3956, 4945, 6542, 7912, 9890, 13084, 16355, 19780, 26168, 32710, 39560, 65420, 75233, 130840, 140653, 150466, 281306, 300932, 376165, 562612, 601864, 703265, 752330, 1125224, 1406530, 1504660, 2813060, 3009320, 3235019, 5626120, 6470038, 12940076, 16175095, 25880152, 32350190, 64700380, 129400760]

約数ペア:

[(1, 129400760), (2, 64700380), (4, 32350190), (5, 25880152), (8, 16175095), (10, 12940076), (20, 6470038), (23, 5626120), (40, 3235019), (43, 3009320), (46, 2813060), (86, 1504660), (92, 1406530), (115, 1125224), (172, 752330), (184, 703265), (215, 601864), (230, 562612), (344, 376165), (430, 300932), (460, 281306), (860, 150466), (920, 140653), (989, 130840), (1720, 75233), (1978, 65420), (3271, 39560), (3956, 32710), (4945, 26168), (6542, 19780), (7912, 16355), (9890, 13084)]