17438680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 45622080

約数和(自身を除く): 28183400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1021, 1220, 1708, 2042, 2135, 2440, 3416, 4084, 4270, 5105, 7147, 8168, 8540, 10210, 14294, 17080, 20420, 28588, 35735, 40840, 57176, 62281, 71470, 124562, 142940, 249124, 285880, 311405, 435967, 498248, 622810, 871934, 1245620, 1743868, 2179835, 2491240, 3487736, 4359670, 8719340, 17438680]

約数ペア:

[(1, 17438680), (2, 8719340), (4, 4359670), (5, 3487736), (7, 2491240), (8, 2179835), (10, 1743868), (14, 1245620), (20, 871934), (28, 622810), (35, 498248), (40, 435967), (56, 311405), (61, 285880), (70, 249124), (122, 142940), (140, 124562), (244, 71470), (280, 62281), (305, 57176), (427, 40840), (488, 35735), (610, 28588), (854, 20420), (1021, 17080), (1220, 14294), (1708, 10210), (2042, 8540), (2135, 8168), (2440, 7147), (3416, 5105), (4084, 4270)]