71990800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{3673}}^1$

素因数の和:3705

約数の個数: 90

約数和(自身を含む): 201250698

約数和(自身を除く): 129259898

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3673, 3920, 4900, 7346, 9800, 14692, 18365, 19600, 25711, 29384, 36730, 51422, 58768, 73460, 91825, 102844, 128555, 146920, 179977, 183650, 205688, 257110, 293840, 359954, 367300, 411376, 514220, 642775, 719908, 734600, 899885, 1028440, 1285550, 1439816, 1469200, 1799770, 2056880, 2571100, 2879632, 3599540, 4499425, 5142200, 7199080, 8998850, 10284400, 14398160, 17997700, 35995400, 71990800]

約数ペア:

[(1, 71990800), (2, 35995400), (4, 17997700), (5, 14398160), (7, 10284400), (8, 8998850), (10, 7199080), (14, 5142200), (16, 4499425), (20, 3599540), (25, 2879632), (28, 2571100), (35, 2056880), (40, 1799770), (49, 1469200), (50, 1439816), (56, 1285550), (70, 1028440), (80, 899885), (98, 734600), (100, 719908), (112, 642775), (140, 514220), (175, 411376), (196, 367300), (200, 359954), (245, 293840), (280, 257110), (350, 205688), (392, 183650), (400, 179977), (490, 146920), (560, 128555), (700, 102844), (784, 91825), (980, 73460), (1225, 58768), (1400, 51422), (1960, 36730), (2450, 29384), (2800, 25711), (3673, 19600), (3920, 18365), (4900, 14692), (7346, 9800)]