2773982720

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11171}}^1$

素因数の和:11291

約数の個数: 80

約数和(自身を含む): 6720226128

約数和(自身を除く): 3946243408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 776, 970, 1280, 1552, 1940, 2560, 3104, 3880, 6208, 7760, 11171, 12416, 15520, 22342, 24832, 31040, 44684, 49664, 55855, 62080, 89368, 111710, 124160, 178736, 223420, 248320, 357472, 446840, 714944, 893680, 1083587, 1429888, 1787360, 2167174, 2859776, 3574720, 4334348, 5417935, 5719552, 7149440, 8668696, 10835870, 14298880, 17337392, 21671740, 28597760, 34674784, 43343480, 69349568, 86686960, 138699136, 173373920, 277398272, 346747840, 554796544, 693495680, 1386991360, 2773982720]

約数ペア:

[(1, 2773982720), (2, 1386991360), (4, 693495680), (5, 554796544), (8, 346747840), (10, 277398272), (16, 173373920), (20, 138699136), (32, 86686960), (40, 69349568), (64, 43343480), (80, 34674784), (97, 28597760), (128, 21671740), (160, 17337392), (194, 14298880), (256, 10835870), (320, 8668696), (388, 7149440), (485, 5719552), (512, 5417935), (640, 4334348), (776, 3574720), (970, 2859776), (1280, 2167174), (1552, 1787360), (1940, 1429888), (2560, 1083587), (3104, 893680), (3880, 714944), (6208, 446840), (7760, 357472), (11171, 248320), (12416, 223420), (15520, 178736), (22342, 124160), (24832, 111710), (31040, 89368), (44684, 62080), (49664, 55855)]