65974900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 149330720

約数和(自身を除く): 83355820

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 134, 172, 215, 229, 268, 335, 430, 458, 670, 860, 916, 1075, 1145, 1340, 1675, 2150, 2290, 2881, 3350, 4300, 4580, 5725, 5762, 6700, 9847, 11450, 11524, 14405, 15343, 19694, 22900, 28810, 30686, 39388, 49235, 57620, 61372, 72025, 76715, 98470, 144050, 153430, 196940, 246175, 288100, 306860, 383575, 492350, 659749, 767150, 984700, 1319498, 1534300, 2638996, 3298745, 6597490, 13194980, 16493725, 32987450, 65974900]

約数ペア:

[(1, 65974900), (2, 32987450), (4, 16493725), (5, 13194980), (10, 6597490), (20, 3298745), (25, 2638996), (43, 1534300), (50, 1319498), (67, 984700), (86, 767150), (100, 659749), (134, 492350), (172, 383575), (215, 306860), (229, 288100), (268, 246175), (335, 196940), (430, 153430), (458, 144050), (670, 98470), (860, 76715), (916, 72025), (1075, 61372), (1145, 57620), (1340, 49235), (1675, 39388), (2150, 30686), (2290, 28810), (2881, 22900), (3350, 19694), (4300, 15343), (4580, 14405), (5725, 11524), (5762, 11450), (6700, 9847)]