289401440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 715690080

約数和(自身を除く): 426288640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 97, 116, 145, 160, 194, 232, 290, 388, 464, 485, 580, 643, 776, 928, 970, 1160, 1286, 1552, 1940, 2320, 2572, 2813, 3104, 3215, 3880, 4640, 5144, 5626, 6430, 7760, 10288, 11252, 12860, 14065, 15520, 18647, 20576, 22504, 25720, 28130, 37294, 45008, 51440, 56260, 62371, 74588, 90016, 93235, 102880, 112520, 124742, 149176, 186470, 225040, 249484, 298352, 311855, 372940, 450080, 498968, 596704, 623710, 745880, 997936, 1247420, 1491760, 1808759, 1995872, 2494840, 2983520, 3617518, 4989680, 7235036, 9043795, 9979360, 14470072, 18087590, 28940144, 36175180, 57880288, 72350360, 144700720, 289401440]

約数ペア:

[(1, 289401440), (2, 144700720), (4, 72350360), (5, 57880288), (8, 36175180), (10, 28940144), (16, 18087590), (20, 14470072), (29, 9979360), (32, 9043795), (40, 7235036), (58, 4989680), (80, 3617518), (97, 2983520), (116, 2494840), (145, 1995872), (160, 1808759), (194, 1491760), (232, 1247420), (290, 997936), (388, 745880), (464, 623710), (485, 596704), (580, 498968), (643, 450080), (776, 372940), (928, 311855), (970, 298352), (1160, 249484), (1286, 225040), (1552, 186470), (1940, 149176), (2320, 124742), (2572, 112520), (2813, 102880), (3104, 93235), (3215, 90016), (3880, 74588), (4640, 62371), (5144, 56260), (5626, 51440), (6430, 45008), (7760, 37294), (10288, 28130), (11252, 25720), (12860, 22504), (14065, 20576), (15520, 18647)]