27391420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 69937056

約数和(自身を除く): 42545636

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 677, 1156, 1190, 1354, 1445, 2023, 2380, 2708, 2890, 3385, 4046, 4739, 5780, 6770, 8092, 9478, 10115, 11509, 13540, 18956, 20230, 23018, 23695, 40460, 46036, 47390, 57545, 80563, 94780, 115090, 161126, 195653, 230180, 322252, 391306, 402815, 782612, 805630, 978265, 1369571, 1611260, 1956530, 2739142, 3913060, 5478284, 6847855, 13695710, 27391420]

約数ペア:

[(1, 27391420), (2, 13695710), (4, 6847855), (5, 5478284), (7, 3913060), (10, 2739142), (14, 1956530), (17, 1611260), (20, 1369571), (28, 978265), (34, 805630), (35, 782612), (68, 402815), (70, 391306), (85, 322252), (119, 230180), (140, 195653), (170, 161126), (238, 115090), (289, 94780), (340, 80563), (476, 57545), (578, 47390), (595, 46036), (677, 40460), (1156, 23695), (1190, 23018), (1354, 20230), (1445, 18956), (2023, 13540), (2380, 11509), (2708, 10115), (2890, 9478), (3385, 8092), (4046, 6770), (4739, 5780)]