57702820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 138918528

約数和(自身を除く): 81215708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 643, 1282, 1286, 2564, 2572, 3205, 3215, 4487, 4501, 6410, 6430, 8974, 9002, 12820, 12860, 17948, 18004, 22435, 22505, 44870, 45010, 89740, 90020, 412163, 824326, 1648652, 2060815, 2885141, 4121630, 5770282, 8243260, 11540564, 14425705, 28851410, 57702820]

約数ペア:

[(1, 57702820), (2, 28851410), (4, 14425705), (5, 11540564), (7, 8243260), (10, 5770282), (14, 4121630), (20, 2885141), (28, 2060815), (35, 1648652), (70, 824326), (140, 412163), (641, 90020), (643, 89740), (1282, 45010), (1286, 44870), (2564, 22505), (2572, 22435), (3205, 18004), (3215, 17948), (4487, 12860), (4501, 12820), (6410, 9002), (6430, 8974)]