394680910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 772508880

約数和(自身を除く): 377827970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 409, 571, 818, 845, 1142, 1690, 2045, 2855, 4090, 5317, 5710, 7423, 10634, 14846, 26585, 37115, 53170, 69121, 74230, 96499, 138242, 192998, 233539, 345605, 467078, 482495, 691210, 964990, 1167695, 2335390, 3036007, 6072014, 15180035, 30360070, 39468091, 78936182, 197340455, 394680910]

約数ペア:

[(1, 394680910), (2, 197340455), (5, 78936182), (10, 39468091), (13, 30360070), (26, 15180035), (65, 6072014), (130, 3036007), (169, 2335390), (338, 1167695), (409, 964990), (571, 691210), (818, 482495), (845, 467078), (1142, 345605), (1690, 233539), (2045, 192998), (2855, 138242), (4090, 96499), (5317, 74230), (5710, 69121), (7423, 53170), (10634, 37115), (14846, 26585)]