28210002940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{69941}}^1$

素因数の和:70067

約数の個数: 96

約数和(自身を含む): 70313531904

約数和(自身を除く): 42103528964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 67, 70, 86, 134, 140, 172, 215, 268, 301, 335, 430, 469, 602, 670, 860, 938, 1204, 1340, 1505, 1876, 2345, 2881, 3010, 4690, 5762, 6020, 9380, 11524, 14405, 20167, 28810, 40334, 57620, 69941, 80668, 100835, 139882, 201670, 279764, 349705, 403340, 489587, 699410, 979174, 1398820, 1958348, 2447935, 3007463, 4686047, 4895870, 6014926, 9372094, 9791740, 12029852, 15037315, 18744188, 21052241, 23430235, 30074630, 32802329, 42104482, 46860470, 60149260, 65604658, 84208964, 93720940, 105261205, 131209316, 164011645, 201500021, 210522410, 328023290, 403000042, 421044820, 656046580, 806000084, 1007500105, 1410500147, 2015000210, 2821000294, 4030000420, 5642000588, 7052500735, 14105001470, 28210002940]

約数ペア:

[(1, 28210002940), (2, 14105001470), (4, 7052500735), (5, 5642000588), (7, 4030000420), (10, 2821000294), (14, 2015000210), (20, 1410500147), (28, 1007500105), (35, 806000084), (43, 656046580), (67, 421044820), (70, 403000042), (86, 328023290), (134, 210522410), (140, 201500021), (172, 164011645), (215, 131209316), (268, 105261205), (301, 93720940), (335, 84208964), (430, 65604658), (469, 60149260), (602, 46860470), (670, 42104482), (860, 32802329), (938, 30074630), (1204, 23430235), (1340, 21052241), (1505, 18744188), (1876, 15037315), (2345, 12029852), (2881, 9791740), (3010, 9372094), (4690, 6014926), (5762, 4895870), (6020, 4686047), (9380, 3007463), (11524, 2447935), (14405, 1958348), (20167, 1398820), (28810, 979174), (40334, 699410), (57620, 489587), (69941, 403340), (80668, 349705), (100835, 279764), (139882, 201670)]