27878020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 60884208

約数和(自身を除く): 33006188

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 370, 373, 404, 505, 740, 746, 1010, 1492, 1865, 2020, 3730, 3737, 7460, 7474, 13801, 14948, 18685, 27602, 37370, 37673, 55204, 69005, 74740, 75346, 138010, 150692, 188365, 276020, 376730, 753460, 1393901, 2787802, 5575604, 6969505, 13939010, 27878020]

約数ペア:

[(1, 27878020), (2, 13939010), (4, 6969505), (5, 5575604), (10, 2787802), (20, 1393901), (37, 753460), (74, 376730), (101, 276020), (148, 188365), (185, 150692), (202, 138010), (370, 75346), (373, 74740), (404, 69005), (505, 55204), (740, 37673), (746, 37370), (1010, 27602), (1492, 18685), (1865, 14948), (2020, 13801), (3730, 7474), (3737, 7460)]