217218400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 144

約数和(自身を含む): 614960640

約数和(自身を除く): 397742240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 160, 175, 200, 224, 280, 316, 350, 395, 400, 491, 553, 560, 632, 700, 790, 800, 982, 1106, 1120, 1264, 1400, 1580, 1964, 1975, 2212, 2455, 2528, 2765, 2800, 3160, 3437, 3928, 3950, 4424, 4910, 5530, 5600, 6320, 6874, 7856, 7900, 8848, 9820, 11060, 12275, 12640, 13748, 13825, 15712, 15800, 17185, 17696, 19640, 22120, 24550, 27496, 27650, 31600, 34370, 38789, 39280, 44240, 49100, 54992, 55300, 63200, 68740, 77578, 78560, 85925, 88480, 98200, 109984, 110600, 137480, 155156, 171850, 193945, 196400, 221200, 271523, 274960, 310312, 343700, 387890, 392800, 442400, 543046, 549920, 620624, 687400, 775780, 969725, 1086092, 1241248, 1357615, 1374800, 1551560, 1939450, 2172184, 2715230, 2749600, 3103120, 3878900, 4344368, 5430460, 6206240, 6788075, 7757800, 8688736, 10860920, 13576150, 15515600, 21721840, 27152300, 31031200, 43443680, 54304600, 108609200, 217218400]

約数ペア:

[(1, 217218400), (2, 108609200), (4, 54304600), (5, 43443680), (7, 31031200), (8, 27152300), (10, 21721840), (14, 15515600), (16, 13576150), (20, 10860920), (25, 8688736), (28, 7757800), (32, 6788075), (35, 6206240), (40, 5430460), (50, 4344368), (56, 3878900), (70, 3103120), (79, 2749600), (80, 2715230), (100, 2172184), (112, 1939450), (140, 1551560), (158, 1374800), (160, 1357615), (175, 1241248), (200, 1086092), (224, 969725), (280, 775780), (316, 687400), (350, 620624), (395, 549920), (400, 543046), (491, 442400), (553, 392800), (560, 387890), (632, 343700), (700, 310312), (790, 274960), (800, 271523), (982, 221200), (1106, 196400), (1120, 193945), (1264, 171850), (1400, 155156), (1580, 137480), (1964, 110600), (1975, 109984), (2212, 98200), (2455, 88480), (2528, 85925), (2765, 78560), (2800, 77578), (3160, 68740), (3437, 63200), (3928, 55300), (3950, 54992), (4424, 49100), (4910, 44240), (5530, 39280), (5600, 38789), (6320, 34370), (6874, 31600), (7856, 27650), (7900, 27496), (8848, 24550), (9820, 22120), (11060, 19640), (12275, 17696), (12640, 17185), (13748, 15800), (13825, 15712)]