77687260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{863}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 186955776

約数和(自身を除く): 109268516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 863, 1286, 1726, 2572, 3215, 3452, 4315, 4501, 6041, 6430, 8630, 9002, 12082, 12860, 17260, 18004, 22505, 24164, 30205, 45010, 60410, 90020, 120820, 554909, 1109818, 2219636, 2774545, 3884363, 5549090, 7768726, 11098180, 15537452, 19421815, 38843630, 77687260]

約数ペア:

[(1, 77687260), (2, 38843630), (4, 19421815), (5, 15537452), (7, 11098180), (10, 7768726), (14, 5549090), (20, 3884363), (28, 2774545), (35, 2219636), (70, 1109818), (140, 554909), (643, 120820), (863, 90020), (1286, 60410), (1726, 45010), (2572, 30205), (3215, 24164), (3452, 22505), (4315, 18004), (4501, 17260), (6041, 12860), (6430, 12082), (8630, 9002)]