1045984520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{20639}}^1$

素因数の和:20838

約数の個数: 64

約数和(自身を含む): 2704665600

約数和(自身を除く): 1658681080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2534, 3620, 5068, 6335, 7240, 10136, 12670, 20639, 25340, 41278, 50680, 82556, 103195, 144473, 165112, 206390, 288946, 412780, 577892, 722365, 825560, 1155784, 1444730, 2889460, 3735659, 5778920, 7471318, 14942636, 18678295, 26149613, 29885272, 37356590, 52299226, 74713180, 104598452, 130748065, 149426360, 209196904, 261496130, 522992260, 1045984520]

約数ペア:

[(1, 1045984520), (2, 522992260), (4, 261496130), (5, 209196904), (7, 149426360), (8, 130748065), (10, 104598452), (14, 74713180), (20, 52299226), (28, 37356590), (35, 29885272), (40, 26149613), (56, 18678295), (70, 14942636), (140, 7471318), (181, 5778920), (280, 3735659), (362, 2889460), (724, 1444730), (905, 1155784), (1267, 825560), (1448, 722365), (1810, 577892), (2534, 412780), (3620, 288946), (5068, 206390), (6335, 165112), (7240, 144473), (10136, 103195), (12670, 82556), (20639, 50680), (25340, 41278)]