130409960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 304197120

約数和(自身を除く): 173787160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 940, 977, 1420, 1880, 1954, 2840, 3337, 3908, 4885, 6674, 7816, 9770, 13348, 16685, 19540, 26696, 33370, 39080, 45919, 66740, 69367, 91838, 133480, 138734, 183676, 229595, 277468, 346835, 367352, 459190, 554936, 693670, 918380, 1387340, 1836760, 2774680, 3260249, 6520498, 13040996, 16301245, 26081992, 32602490, 65204980, 130409960]

約数ペア:

[(1, 130409960), (2, 65204980), (4, 32602490), (5, 26081992), (8, 16301245), (10, 13040996), (20, 6520498), (40, 3260249), (47, 2774680), (71, 1836760), (94, 1387340), (142, 918380), (188, 693670), (235, 554936), (284, 459190), (355, 367352), (376, 346835), (470, 277468), (568, 229595), (710, 183676), (940, 138734), (977, 133480), (1420, 91838), (1880, 69367), (1954, 66740), (2840, 45919), (3337, 39080), (3908, 33370), (4885, 26696), (6674, 19540), (7816, 16685), (9770, 13348)]