72867800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 178820400

約数和(自身を除く): 105952600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 74, 86, 100, 148, 172, 185, 200, 215, 229, 296, 344, 370, 430, 458, 740, 860, 916, 925, 1075, 1145, 1480, 1591, 1720, 1832, 1850, 2150, 2290, 3182, 3700, 4300, 4580, 5725, 6364, 7400, 7955, 8473, 8600, 9160, 9847, 11450, 12728, 15910, 16946, 19694, 22900, 31820, 33892, 39388, 39775, 42365, 45800, 49235, 63640, 67784, 78776, 79550, 84730, 98470, 159100, 169460, 196940, 211825, 246175, 318200, 338920, 364339, 393880, 423650, 492350, 728678, 847300, 984700, 1457356, 1694600, 1821695, 1969400, 2914712, 3643390, 7286780, 9108475, 14573560, 18216950, 36433900, 72867800]

約数ペア:

[(1, 72867800), (2, 36433900), (4, 18216950), (5, 14573560), (8, 9108475), (10, 7286780), (20, 3643390), (25, 2914712), (37, 1969400), (40, 1821695), (43, 1694600), (50, 1457356), (74, 984700), (86, 847300), (100, 728678), (148, 492350), (172, 423650), (185, 393880), (200, 364339), (215, 338920), (229, 318200), (296, 246175), (344, 211825), (370, 196940), (430, 169460), (458, 159100), (740, 98470), (860, 84730), (916, 79550), (925, 78776), (1075, 67784), (1145, 63640), (1480, 49235), (1591, 45800), (1720, 42365), (1832, 39775), (1850, 39388), (2150, 33892), (2290, 31820), (3182, 22900), (3700, 19694), (4300, 16946), (4580, 15910), (5725, 12728), (6364, 11450), (7400, 9847), (7955, 9160), (8473, 8600)]