39890060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 96096000

約数和(自身を除く): 56205940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 571, 998, 1142, 1996, 2284, 2495, 2855, 3493, 3997, 4990, 5710, 6986, 7994, 9980, 11420, 13972, 15988, 17465, 19985, 34930, 39970, 69860, 79940, 284929, 569858, 1139716, 1424645, 1994503, 2849290, 3989006, 5698580, 7978012, 9972515, 19945030, 39890060]

約数ペア:

[(1, 39890060), (2, 19945030), (4, 9972515), (5, 7978012), (7, 5698580), (10, 3989006), (14, 2849290), (20, 1994503), (28, 1424645), (35, 1139716), (70, 569858), (140, 284929), (499, 79940), (571, 69860), (998, 39970), (1142, 34930), (1996, 19985), (2284, 17465), (2495, 15988), (2855, 13972), (3493, 11420), (3997, 9980), (4990, 7994), (5710, 6986)]