90985984

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 80

約数和(自身を含む): 196416000

約数和(自身を除く): 105430016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 188, 199, 256, 304, 376, 398, 512, 608, 752, 796, 893, 1216, 1504, 1592, 1786, 2432, 3008, 3184, 3572, 3781, 4864, 6016, 6368, 7144, 7562, 9353, 9728, 12032, 12736, 14288, 15124, 18706, 24064, 25472, 28576, 30248, 37412, 50944, 57152, 60496, 74824, 101888, 114304, 120992, 149648, 177707, 228608, 241984, 299296, 355414, 457216, 483968, 598592, 710828, 967936, 1197184, 1421656, 1935872, 2394368, 2843312, 4788736, 5686624, 11373248, 22746496, 45492992, 90985984]

約数ペア:

[(1, 90985984), (2, 45492992), (4, 22746496), (8, 11373248), (16, 5686624), (19, 4788736), (32, 2843312), (38, 2394368), (47, 1935872), (64, 1421656), (76, 1197184), (94, 967936), (128, 710828), (152, 598592), (188, 483968), (199, 457216), (256, 355414), (304, 299296), (376, 241984), (398, 228608), (512, 177707), (608, 149648), (752, 120992), (796, 114304), (893, 101888), (1216, 74824), (1504, 60496), (1592, 57152), (1786, 50944), (2432, 37412), (3008, 30248), (3184, 28576), (3572, 25472), (3781, 24064), (4864, 18706), (6016, 15124), (6368, 14288), (7144, 12736), (7562, 12032), (9353, 9728)]