201647875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 306633600

約数和(自身を除く): 104985725

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 125, 143, 145, 275, 319, 325, 377, 389, 715, 725, 1375, 1595, 1625, 1885, 1945, 3575, 3625, 4147, 4279, 5057, 7975, 9425, 9725, 11281, 17875, 20735, 21395, 25285, 39875, 47125, 48625, 55627, 56405, 103675, 106975, 124091, 126425, 146653, 278135, 282025, 518375, 534875, 620455, 632125, 733265, 1390675, 1410125, 1613183, 3102275, 3666325, 6953375, 8065915, 15511375, 18331625, 40329575, 201647875]

約数ペア:

[(1, 201647875), (5, 40329575), (11, 18331625), (13, 15511375), (25, 8065915), (29, 6953375), (55, 3666325), (65, 3102275), (125, 1613183), (143, 1410125), (145, 1390675), (275, 733265), (319, 632125), (325, 620455), (377, 534875), (389, 518375), (715, 282025), (725, 278135), (1375, 146653), (1595, 126425), (1625, 124091), (1885, 106975), (1945, 103675), (3575, 56405), (3625, 55627), (4147, 48625), (4279, 47125), (5057, 39875), (7975, 25285), (9425, 21395), (9725, 20735), (11281, 17875)]