200407870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^2$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 402820992

約数和(自身を除く): 202413122

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 223, 310, 403, 446, 806, 1115, 2015, 2230, 2899, 4030, 5798, 6913, 13826, 14495, 28990, 34565, 49729, 69130, 89869, 99458, 179738, 248645, 449345, 497290, 646477, 898690, 1292954, 1541599, 3083198, 3232385, 6464770, 7707995, 15415990, 20040787, 40081574, 100203935, 200407870]

約数ペア:

[(1, 200407870), (2, 100203935), (5, 40081574), (10, 20040787), (13, 15415990), (26, 7707995), (31, 6464770), (62, 3232385), (65, 3083198), (130, 1541599), (155, 1292954), (223, 898690), (310, 646477), (403, 497290), (446, 449345), (806, 248645), (1115, 179738), (2015, 99458), (2230, 89869), (2899, 69130), (4030, 49729), (5798, 34565), (6913, 28990), (13826, 14495)]