266110760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 609552000

約数和(自身を除く): 343441240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 199, 202, 331, 398, 404, 505, 662, 796, 808, 995, 1010, 1324, 1592, 1655, 1990, 2020, 2648, 3310, 3980, 4040, 6620, 7960, 13240, 20099, 33431, 40198, 65869, 66862, 80396, 100495, 131738, 133724, 160792, 167155, 200990, 263476, 267448, 329345, 334310, 401980, 526952, 658690, 668620, 803960, 1317380, 1337240, 2634760, 6652769, 13305538, 26611076, 33263845, 53222152, 66527690, 133055380, 266110760]

約数ペア:

[(1, 266110760), (2, 133055380), (4, 66527690), (5, 53222152), (8, 33263845), (10, 26611076), (20, 13305538), (40, 6652769), (101, 2634760), (199, 1337240), (202, 1317380), (331, 803960), (398, 668620), (404, 658690), (505, 526952), (662, 401980), (796, 334310), (808, 329345), (995, 267448), (1010, 263476), (1324, 200990), (1592, 167155), (1655, 160792), (1990, 133724), (2020, 131738), (2648, 100495), (3310, 80396), (3980, 66862), (4040, 65869), (6620, 40198), (7960, 33431), (13240, 20099)]