489482290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 984960000

約数和(自身を除く): 495477710

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 199, 295, 379, 398, 590, 649, 758, 995, 1298, 1895, 1990, 2189, 3245, 3790, 4169, 4378, 6490, 8338, 10945, 11741, 20845, 21890, 22361, 23482, 41690, 44722, 58705, 75421, 111805, 117410, 129151, 150842, 223610, 245971, 258302, 377105, 491942, 645755, 754210, 829631, 1229855, 1291510, 1659262, 2459710, 4148155, 4449839, 8296310, 8899678, 22249195, 44498390, 48948229, 97896458, 244741145, 489482290]

約数ペア:

[(1, 489482290), (2, 244741145), (5, 97896458), (10, 48948229), (11, 44498390), (22, 22249195), (55, 8899678), (59, 8296310), (110, 4449839), (118, 4148155), (199, 2459710), (295, 1659262), (379, 1291510), (398, 1229855), (590, 829631), (649, 754210), (758, 645755), (995, 491942), (1298, 377105), (1895, 258302), (1990, 245971), (2189, 223610), (3245, 150842), (3790, 129151), (4169, 117410), (4378, 111805), (6490, 75421), (8338, 58705), (10945, 44722), (11741, 41690), (20845, 23482), (21890, 22361)]