252644000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 722652840

約数和(自身を除く): 470008840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1289, 1400, 1568, 1750, 1960, 2000, 2450, 2578, 2800, 3500, 3920, 4000, 4900, 5156, 5600, 6125, 6445, 7000, 7840, 9023, 9800, 10312, 12250, 12890, 14000, 18046, 19600, 20624, 24500, 25780, 28000, 32225, 36092, 39200, 41248, 45115, 49000, 51560, 63161, 64450, 72184, 90230, 98000, 103120, 126322, 128900, 144368, 161125, 180460, 196000, 206240, 225575, 252644, 257800, 288736, 315805, 322250, 360920, 451150, 505288, 515600, 631610, 644500, 721840, 902300, 1010576, 1031200, 1127875, 1263220, 1289000, 1443680, 1579025, 1804600, 2021152, 2255750, 2526440, 2578000, 3158050, 3609200, 4511500, 5052880, 5156000, 6316100, 7218400, 7895125, 9023000, 10105760, 12632200, 15790250, 18046000, 25264400, 31580500, 36092000, 50528800, 63161000, 126322000, 252644000]

約数ペア:

[(1, 252644000), (2, 126322000), (4, 63161000), (5, 50528800), (7, 36092000), (8, 31580500), (10, 25264400), (14, 18046000), (16, 15790250), (20, 12632200), (25, 10105760), (28, 9023000), (32, 7895125), (35, 7218400), (40, 6316100), (49, 5156000), (50, 5052880), (56, 4511500), (70, 3609200), (80, 3158050), (98, 2578000), (100, 2526440), (112, 2255750), (125, 2021152), (140, 1804600), (160, 1579025), (175, 1443680), (196, 1289000), (200, 1263220), (224, 1127875), (245, 1031200), (250, 1010576), (280, 902300), (350, 721840), (392, 644500), (400, 631610), (490, 515600), (500, 505288), (560, 451150), (700, 360920), (784, 322250), (800, 315805), (875, 288736), (980, 257800), (1000, 252644), (1120, 225575), (1225, 206240), (1289, 196000), (1400, 180460), (1568, 161125), (1750, 144368), (1960, 128900), (2000, 126322), (2450, 103120), (2578, 98000), (2800, 90230), (3500, 72184), (3920, 64450), (4000, 63161), (4900, 51560), (5156, 49000), (5600, 45115), (6125, 41248), (6445, 39200), (7000, 36092), (7840, 32225), (9023, 28000), (9800, 25780), (10312, 24500), (12250, 20624), (12890, 19600), (14000, 18046)]