1330390670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{397}}^1\times {\mathrm{977}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 2802556800

約数和(自身を除く): 1472166130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 397, 490, 686, 794, 977, 1715, 1954, 1985, 2779, 3430, 3970, 4885, 5558, 6839, 9770, 13678, 13895, 19453, 27790, 34195, 38906, 47873, 68390, 95746, 97265, 136171, 194530, 239365, 272342, 335111, 387869, 478730, 670222, 680855, 775738, 1361710, 1675555, 1939345, 2715083, 3351110, 3878690, 5430166, 13575415, 19005581, 27150830, 38011162, 95027905, 133039067, 190055810, 266078134, 665195335, 1330390670]

約数ペア:

[(1, 1330390670), (2, 665195335), (5, 266078134), (7, 190055810), (10, 133039067), (14, 95027905), (35, 38011162), (49, 27150830), (70, 19005581), (98, 13575415), (245, 5430166), (343, 3878690), (397, 3351110), (490, 2715083), (686, 1939345), (794, 1675555), (977, 1361710), (1715, 775738), (1954, 680855), (1985, 670222), (2779, 478730), (3430, 387869), (3970, 335111), (4885, 272342), (5558, 239365), (6839, 194530), (9770, 136171), (13678, 97265), (13895, 95746), (19453, 68390), (27790, 47873), (34195, 38906)]