101309900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 234984960

約数和(自身を除く): 133675060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 751, 950, 1349, 1420, 1502, 1775, 1900, 2698, 3004, 3550, 3755, 5396, 6745, 7100, 7510, 13490, 14269, 15020, 18775, 26980, 28538, 33725, 37550, 53321, 57076, 67450, 71345, 75100, 106642, 134900, 142690, 213284, 266605, 285380, 356725, 533210, 713450, 1013099, 1066420, 1333025, 1426900, 2026198, 2666050, 4052396, 5065495, 5332100, 10130990, 20261980, 25327475, 50654950, 101309900]

約数ペア:

[(1, 101309900), (2, 50654950), (4, 25327475), (5, 20261980), (10, 10130990), (19, 5332100), (20, 5065495), (25, 4052396), (38, 2666050), (50, 2026198), (71, 1426900), (76, 1333025), (95, 1066420), (100, 1013099), (142, 713450), (190, 533210), (284, 356725), (355, 285380), (380, 266605), (475, 213284), (710, 142690), (751, 134900), (950, 106642), (1349, 75100), (1420, 71345), (1502, 67450), (1775, 57076), (1900, 53321), (2698, 37550), (3004, 33725), (3550, 28538), (3755, 26980), (5396, 18775), (6745, 15020), (7100, 14269), (7510, 13490)]