152441320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 350859600

約数和(自身を除く): 198418280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 194, 202, 388, 389, 404, 485, 505, 776, 778, 808, 970, 1010, 1556, 1940, 1945, 2020, 3112, 3880, 3890, 4040, 7780, 9797, 15560, 19594, 37733, 39188, 39289, 48985, 75466, 78376, 78578, 97970, 150932, 157156, 188665, 195940, 196445, 301864, 314312, 377330, 391880, 392890, 754660, 785780, 1509320, 1571560, 3811033, 7622066, 15244132, 19055165, 30488264, 38110330, 76220660, 152441320]

約数ペア:

[(1, 152441320), (2, 76220660), (4, 38110330), (5, 30488264), (8, 19055165), (10, 15244132), (20, 7622066), (40, 3811033), (97, 1571560), (101, 1509320), (194, 785780), (202, 754660), (388, 392890), (389, 391880), (404, 377330), (485, 314312), (505, 301864), (776, 196445), (778, 195940), (808, 188665), (970, 157156), (1010, 150932), (1556, 97970), (1940, 78578), (1945, 78376), (2020, 75466), (3112, 48985), (3880, 39289), (3890, 39188), (4040, 37733), (7780, 19594), (9797, 15560)]