211239940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 451221120

約数和(自身を除く): 239981180

約数列:

[1, 2, 4, 5, 10, 20, 113, 151, 226, 302, 452, 565, 604, 619, 755, 1130, 1238, 1510, 2260, 2476, 3020, 3095, 6190, 12380, 17063, 34126, 68252, 69947, 85315, 93469, 139894, 170630, 186938, 279788, 341260, 349735, 373876, 467345, 699470, 934690, 1398940, 1869380, 10561997, 21123994, 42247988, 52809985, 105619970, 211239940]

約数ペア:

[(1, 211239940), (2, 105619970), (4, 52809985), (5, 42247988), (10, 21123994), (20, 10561997), (113, 1869380), (151, 1398940), (226, 934690), (302, 699470), (452, 467345), (565, 373876), (604, 349735), (619, 341260), (755, 279788), (1130, 186938), (1238, 170630), (1510, 139894), (2260, 93469), (2476, 85315), (3020, 69947), (3095, 68252), (6190, 34126), (12380, 17063)]