1992180640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1230

約数の個数: 96

約数和(自身を含む): 4850665344

約数和(自身を除く): 2858484704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 487, 592, 691, 740, 974, 1184, 1382, 1480, 1948, 2435, 2764, 2960, 3455, 3896, 4870, 5528, 5920, 6910, 7792, 9740, 11056, 13820, 15584, 18019, 19480, 22112, 25567, 27640, 36038, 38960, 51134, 55280, 72076, 77920, 90095, 102268, 110560, 127835, 144152, 180190, 204536, 255670, 288304, 336517, 360380, 409072, 511340, 576608, 673034, 720760, 818144, 1022680, 1346068, 1441520, 1682585, 2045360, 2692136, 2883040, 3365170, 4090720, 5384272, 6730340, 10768544, 12451129, 13460680, 24902258, 26921360, 49804516, 53842720, 62255645, 99609032, 124511290, 199218064, 249022580, 398436128, 498045160, 996090320, 1992180640]

約数ペア:

[(1, 1992180640), (2, 996090320), (4, 498045160), (5, 398436128), (8, 249022580), (10, 199218064), (16, 124511290), (20, 99609032), (32, 62255645), (37, 53842720), (40, 49804516), (74, 26921360), (80, 24902258), (148, 13460680), (160, 12451129), (185, 10768544), (296, 6730340), (370, 5384272), (487, 4090720), (592, 3365170), (691, 2883040), (740, 2692136), (974, 2045360), (1184, 1682585), (1382, 1441520), (1480, 1346068), (1948, 1022680), (2435, 818144), (2764, 720760), (2960, 673034), (3455, 576608), (3896, 511340), (4870, 409072), (5528, 360380), (5920, 336517), (6910, 288304), (7792, 255670), (9740, 204536), (11056, 180190), (13820, 144152), (15584, 127835), (18019, 110560), (19480, 102268), (22112, 90095), (25567, 77920), (27640, 72076), (36038, 55280), (38960, 51134)]