147939820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{150959}}^1$

素因数の和:150982

約数の個数: 36

約数和(自身を含む): 361398240

約数和(自身を除く): 213458420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 150959, 301918, 603836, 754795, 1056713, 1509590, 2113426, 3019180, 4226852, 5283565, 7396991, 10567130, 14793982, 21134260, 29587964, 36984955, 73969910, 147939820]

約数ペア:

[(1, 147939820), (2, 73969910), (4, 36984955), (5, 29587964), (7, 21134260), (10, 14793982), (14, 10567130), (20, 7396991), (28, 5283565), (35, 4226852), (49, 3019180), (70, 2113426), (98, 1509590), (140, 1056713), (196, 754795), (245, 603836), (490, 301918), (980, 150959)]