38874220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25243}}^1$

素因数の和:25270

約数の個数: 48

約数和(自身を含む): 101783808

約数和(自身を除く): 62909588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25243, 50486, 100972, 126215, 176701, 252430, 277673, 353402, 504860, 555346, 706804, 883505, 1110692, 1388365, 1767010, 1943711, 2776730, 3534020, 3887422, 5553460, 7774844, 9718555, 19437110, 38874220]

約数ペア:

[(1, 38874220), (2, 19437110), (4, 9718555), (5, 7774844), (7, 5553460), (10, 3887422), (11, 3534020), (14, 2776730), (20, 1943711), (22, 1767010), (28, 1388365), (35, 1110692), (44, 883505), (55, 706804), (70, 555346), (77, 504860), (110, 353402), (140, 277673), (154, 252430), (220, 176701), (308, 126215), (385, 100972), (770, 50486), (1540, 25243)]