124875880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 298890000

約数和(自身を除く): 174014120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 409, 449, 680, 818, 898, 1636, 1796, 2045, 2245, 3272, 3592, 4090, 4490, 6953, 7633, 8180, 8980, 13906, 15266, 16360, 17960, 27812, 30532, 34765, 38165, 55624, 61064, 69530, 76330, 139060, 152660, 183641, 278120, 305320, 367282, 734564, 918205, 1469128, 1836410, 3121897, 3672820, 6243794, 7345640, 12487588, 15609485, 24975176, 31218970, 62437940, 124875880]

約数ペア:

[(1, 124875880), (2, 62437940), (4, 31218970), (5, 24975176), (8, 15609485), (10, 12487588), (17, 7345640), (20, 6243794), (34, 3672820), (40, 3121897), (68, 1836410), (85, 1469128), (136, 918205), (170, 734564), (340, 367282), (409, 305320), (449, 278120), (680, 183641), (818, 152660), (898, 139060), (1636, 76330), (1796, 69530), (2045, 61064), (2245, 55624), (3272, 38165), (3592, 34765), (4090, 30532), (4490, 27812), (6953, 17960), (7633, 16360), (8180, 15266), (8980, 13906)]