178143340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 397202400

約数和(自身を除く): 219059060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 709, 739, 1418, 1478, 2836, 2956, 3545, 3695, 7090, 7390, 12053, 12563, 14180, 14780, 24106, 25126, 48212, 50252, 60265, 62815, 120530, 125630, 241060, 251260, 523951, 1047902, 2095804, 2619755, 5239510, 8907167, 10479020, 17814334, 35628668, 44535835, 89071670, 178143340]

約数ペア:

[(1, 178143340), (2, 89071670), (4, 44535835), (5, 35628668), (10, 17814334), (17, 10479020), (20, 8907167), (34, 5239510), (68, 2619755), (85, 2095804), (170, 1047902), (340, 523951), (709, 251260), (739, 241060), (1418, 125630), (1478, 120530), (2836, 62815), (2956, 60265), (3545, 50252), (3695, 48212), (7090, 25126), (7390, 24106), (12053, 14780), (12563, 14180)]