898708520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{8179}}^1$

素因数の和:8298

約数の個数: 64

約数和(自身を含む): 2102587200

約数和(自身を除く): 1203878680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 8179, 10988, 13735, 16358, 21976, 27470, 32716, 40895, 54940, 65432, 81790, 109880, 163580, 327160, 335339, 547993, 670678, 1095986, 1341356, 1676695, 2191972, 2682712, 2739965, 3353390, 4383944, 5479930, 6706780, 10959860, 13413560, 21919720, 22467713, 44935426, 89870852, 112338565, 179741704, 224677130, 449354260, 898708520]

約数ペア:

[(1, 898708520), (2, 449354260), (4, 224677130), (5, 179741704), (8, 112338565), (10, 89870852), (20, 44935426), (40, 22467713), (41, 21919720), (67, 13413560), (82, 10959860), (134, 6706780), (164, 5479930), (205, 4383944), (268, 3353390), (328, 2739965), (335, 2682712), (410, 2191972), (536, 1676695), (670, 1341356), (820, 1095986), (1340, 670678), (1640, 547993), (2680, 335339), (2747, 327160), (5494, 163580), (8179, 109880), (10988, 81790), (13735, 65432), (16358, 54940), (21976, 40895), (27470, 32716)]