130357640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66509}}^1$

素因数の和:66534

約数の個数: 48

約数和(自身を含む): 341196300

約数和(自身を除く): 210838660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66509, 133018, 266036, 332545, 465563, 532072, 665090, 931126, 1330180, 1862252, 2327815, 2660360, 3258941, 3724504, 4655630, 6517882, 9311260, 13035764, 16294705, 18622520, 26071528, 32589410, 65178820, 130357640]

約数ペア:

[(1, 130357640), (2, 65178820), (4, 32589410), (5, 26071528), (7, 18622520), (8, 16294705), (10, 13035764), (14, 9311260), (20, 6517882), (28, 4655630), (35, 3724504), (40, 3258941), (49, 2660360), (56, 2327815), (70, 1862252), (98, 1330180), (140, 931126), (196, 665090), (245, 532072), (280, 465563), (392, 332545), (490, 266036), (980, 133018), (1960, 66509)]