188208640

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 80

約数和(自身を含む): 463689072

約数和(自身を除く): 275480432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 1987, 2368, 2560, 2960, 3974, 4736, 5920, 7948, 9472, 9935, 11840, 15896, 18944, 19870, 23680, 31792, 39740, 47360, 63584, 73519, 79480, 94720, 127168, 147038, 158960, 254336, 294076, 317920, 367595, 508672, 588152, 635840, 735190, 1017344, 1176304, 1271680, 1470380, 2352608, 2543360, 2940760, 4705216, 5086720, 5881520, 9410432, 11763040, 18820864, 23526080, 37641728, 47052160, 94104320, 188208640]

約数ペア:

[(1, 188208640), (2, 94104320), (4, 47052160), (5, 37641728), (8, 23526080), (10, 18820864), (16, 11763040), (20, 9410432), (32, 5881520), (37, 5086720), (40, 4705216), (64, 2940760), (74, 2543360), (80, 2352608), (128, 1470380), (148, 1271680), (160, 1176304), (185, 1017344), (256, 735190), (296, 635840), (320, 588152), (370, 508672), (512, 367595), (592, 317920), (640, 294076), (740, 254336), (1184, 158960), (1280, 147038), (1480, 127168), (1987, 94720), (2368, 79480), (2560, 73519), (2960, 63584), (3974, 47360), (4736, 39740), (5920, 31792), (7948, 23680), (9472, 19870), (9935, 18944), (11840, 15896)]