7770950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 16070400

約数和(自身を除く): 8299450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 199, 275, 355, 398, 550, 710, 781, 995, 1562, 1775, 1990, 2189, 3550, 3905, 4378, 4975, 7810, 9950, 10945, 14129, 19525, 21890, 28258, 39050, 54725, 70645, 109450, 141290, 155419, 310838, 353225, 706450, 777095, 1554190, 3885475, 7770950]

約数ペア:

[(1, 7770950), (2, 3885475), (5, 1554190), (10, 777095), (11, 706450), (22, 353225), (25, 310838), (50, 155419), (55, 141290), (71, 109450), (110, 70645), (142, 54725), (199, 39050), (275, 28258), (355, 21890), (398, 19525), (550, 14129), (710, 10945), (781, 9950), (995, 7810), (1562, 4975), (1775, 4378), (1990, 3905), (2189, 3550)]