1990689984

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{93407}}^1$

素因数の和:93462

約数の個数: 84

約数和(自身を含む): 5860231104

約数和(自身を除く): 3869541120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 144, 148, 192, 222, 288, 296, 333, 444, 576, 592, 666, 888, 1184, 1332, 1776, 2368, 2664, 3552, 5328, 7104, 10656, 21312, 93407, 186814, 280221, 373628, 560442, 747256, 840663, 1120884, 1494512, 1681326, 2241768, 2989024, 3362652, 3456059, 4483536, 5978048, 6725304, 6912118, 8967072, 10368177, 13450608, 13824236, 17934144, 20736354, 26901216, 27648472, 31104531, 41472708, 53802432, 55296944, 62209062, 82945416, 110593888, 124418124, 165890832, 221187776, 248836248, 331781664, 497672496, 663563328, 995344992, 1990689984]

約数ペア:

[(1, 1990689984), (2, 995344992), (3, 663563328), (4, 497672496), (6, 331781664), (8, 248836248), (9, 221187776), (12, 165890832), (16, 124418124), (18, 110593888), (24, 82945416), (32, 62209062), (36, 55296944), (37, 53802432), (48, 41472708), (64, 31104531), (72, 27648472), (74, 26901216), (96, 20736354), (111, 17934144), (144, 13824236), (148, 13450608), (192, 10368177), (222, 8967072), (288, 6912118), (296, 6725304), (333, 5978048), (444, 4483536), (576, 3456059), (592, 3362652), (666, 2989024), (888, 2241768), (1184, 1681326), (1332, 1494512), (1776, 1120884), (2368, 840663), (2664, 747256), (3552, 560442), (5328, 373628), (7104, 280221), (10656, 186814), (21312, 93407)]