71761420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211063}}^1$

素因数の和:211089

約数の個数: 24

約数和(自身を含む): 159564384

約数和(自身を除く): 87802964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211063, 422126, 844252, 1055315, 2110630, 3588071, 4221260, 7176142, 14352284, 17940355, 35880710, 71761420]

約数ペア:

[(1, 71761420), (2, 35880710), (4, 17940355), (5, 14352284), (10, 7176142), (17, 4221260), (20, 3588071), (34, 2110630), (68, 1055315), (85, 844252), (170, 422126), (340, 211063)]