11812100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 27269088

約数和(自身を除く): 15456988

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 67, 82, 86, 100, 134, 164, 172, 205, 215, 268, 335, 410, 430, 670, 820, 860, 1025, 1075, 1340, 1675, 1763, 2050, 2150, 2747, 2881, 3350, 3526, 4100, 4300, 5494, 5762, 6700, 7052, 8815, 10988, 11524, 13735, 14405, 17630, 27470, 28810, 35260, 44075, 54940, 57620, 68675, 72025, 88150, 118121, 137350, 144050, 176300, 236242, 274700, 288100, 472484, 590605, 1181210, 2362420, 2953025, 5906050, 11812100]

約数ペア:

[(1, 11812100), (2, 5906050), (4, 2953025), (5, 2362420), (10, 1181210), (20, 590605), (25, 472484), (41, 288100), (43, 274700), (50, 236242), (67, 176300), (82, 144050), (86, 137350), (100, 118121), (134, 88150), (164, 72025), (172, 68675), (205, 57620), (215, 54940), (268, 44075), (335, 35260), (410, 28810), (430, 27470), (670, 17630), (820, 14405), (860, 13735), (1025, 11524), (1075, 10988), (1340, 8815), (1675, 7052), (1763, 6700), (2050, 5762), (2150, 5494), (2747, 4300), (2881, 4100), (3350, 3526)]