199895840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 496601280

約数和(自身を除く): 296705440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 67, 80, 116, 134, 145, 160, 232, 268, 290, 335, 464, 536, 580, 643, 670, 928, 1072, 1160, 1286, 1340, 1943, 2144, 2320, 2572, 2680, 3215, 3886, 4640, 5144, 5360, 6430, 7772, 9715, 10288, 10720, 12860, 15544, 18647, 19430, 20576, 25720, 31088, 37294, 38860, 43081, 51440, 62176, 74588, 77720, 86162, 93235, 102880, 149176, 155440, 172324, 186470, 215405, 298352, 310880, 344648, 372940, 430810, 596704, 689296, 745880, 861620, 1249349, 1378592, 1491760, 1723240, 2498698, 2983520, 3446480, 4997396, 6246745, 6892960, 9994792, 12493490, 19989584, 24986980, 39979168, 49973960, 99947920, 199895840]

約数ペア:

[(1, 199895840), (2, 99947920), (4, 49973960), (5, 39979168), (8, 24986980), (10, 19989584), (16, 12493490), (20, 9994792), (29, 6892960), (32, 6246745), (40, 4997396), (58, 3446480), (67, 2983520), (80, 2498698), (116, 1723240), (134, 1491760), (145, 1378592), (160, 1249349), (232, 861620), (268, 745880), (290, 689296), (335, 596704), (464, 430810), (536, 372940), (580, 344648), (643, 310880), (670, 298352), (928, 215405), (1072, 186470), (1160, 172324), (1286, 155440), (1340, 149176), (1943, 102880), (2144, 93235), (2320, 86162), (2572, 77720), (2680, 74588), (3215, 62176), (3886, 51440), (4640, 43081), (5144, 38860), (5360, 37294), (6430, 31088), (7772, 25720), (9715, 20576), (10288, 19430), (10720, 18647), (12860, 15544)]