263798840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 616032000

約数和(自身を除く): 352233160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 229, 248, 310, 458, 620, 916, 929, 1145, 1240, 1832, 1858, 2290, 3716, 4580, 4645, 7099, 7432, 9160, 9290, 14198, 18580, 28396, 28799, 35495, 37160, 56792, 57598, 70990, 115196, 141980, 143995, 212741, 230392, 283960, 287990, 425482, 575980, 850964, 1063705, 1151960, 1701928, 2127410, 4254820, 6594971, 8509640, 13189942, 26379884, 32974855, 52759768, 65949710, 131899420, 263798840]

約数ペア:

[(1, 263798840), (2, 131899420), (4, 65949710), (5, 52759768), (8, 32974855), (10, 26379884), (20, 13189942), (31, 8509640), (40, 6594971), (62, 4254820), (124, 2127410), (155, 1701928), (229, 1151960), (248, 1063705), (310, 850964), (458, 575980), (620, 425482), (916, 287990), (929, 283960), (1145, 230392), (1240, 212741), (1832, 143995), (1858, 141980), (2290, 115196), (3716, 70990), (4580, 57598), (4645, 56792), (7099, 37160), (7432, 35495), (9160, 28799), (9290, 28396), (14198, 18580)]