31380090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21347}}^1$

素因数の和:21371

約数の個数: 48

約数和(自身を含む): 87612192

約数和(自身を除く): 56232102

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21347, 42694, 64041, 106735, 128082, 149429, 213470, 298858, 320205, 448287, 640410, 747145, 896574, 1046003, 1494290, 2092006, 2241435, 3138009, 4482870, 5230015, 6276018, 10460030, 15690045, 31380090]

約数ペア:

[(1, 31380090), (2, 15690045), (3, 10460030), (5, 6276018), (6, 5230015), (7, 4482870), (10, 3138009), (14, 2241435), (15, 2092006), (21, 1494290), (30, 1046003), (35, 896574), (42, 747145), (49, 640410), (70, 448287), (98, 320205), (105, 298858), (147, 213470), (210, 149429), (245, 128082), (294, 106735), (490, 64041), (735, 42694), (1470, 21347)]