208739510

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3250

約数の個数: 64

約数和(自身を含む): 461376000

約数和(自身を除く): 252636490

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 490, 665, 686, 931, 1330, 1715, 1862, 3203, 3430, 4655, 6406, 6517, 9310, 13034, 16015, 22421, 32030, 32585, 44842, 60857, 65170, 112105, 121714, 156947, 224210, 304285, 313894, 425999, 608570, 784735, 851998, 1098629, 1569470, 2129995, 2197258, 2981993, 4259990, 5493145, 5963986, 10986290, 14909965, 20873951, 29819930, 41747902, 104369755, 208739510]

約数ペア:

[(1, 208739510), (2, 104369755), (5, 41747902), (7, 29819930), (10, 20873951), (14, 14909965), (19, 10986290), (35, 5963986), (38, 5493145), (49, 4259990), (70, 2981993), (95, 2197258), (98, 2129995), (133, 1569470), (190, 1098629), (245, 851998), (266, 784735), (343, 608570), (490, 425999), (665, 313894), (686, 304285), (931, 224210), (1330, 156947), (1715, 121714), (1862, 112105), (3203, 65170), (3430, 60857), (4655, 44842), (6406, 32585), (6517, 32030), (9310, 22421), (13034, 16015)]