101520020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1489}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 244312320

約数和(自身を除く): 142792300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1489, 1948, 2435, 2978, 3409, 4870, 5956, 6818, 7445, 9740, 10423, 13636, 14890, 17045, 20846, 29780, 34090, 41692, 52115, 68180, 104230, 208460, 725143, 1450286, 2900572, 3625715, 5076001, 7251430, 10152002, 14502860, 20304004, 25380005, 50760010, 101520020]

約数ペア:

[(1, 101520020), (2, 50760010), (4, 25380005), (5, 20304004), (7, 14502860), (10, 10152002), (14, 7251430), (20, 5076001), (28, 3625715), (35, 2900572), (70, 1450286), (140, 725143), (487, 208460), (974, 104230), (1489, 68180), (1948, 52115), (2435, 41692), (2978, 34090), (3409, 29780), (4870, 20846), (5956, 17045), (6818, 14890), (7445, 13636), (9740, 10423)]