242080000

素因数分解:

$2^8\times 5^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 180

約数和(自身を含む): 646527420

約数和(自身を除く): 404447420

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 89, 100, 125, 128, 136, 160, 170, 178, 200, 250, 256, 272, 320, 340, 356, 400, 425, 445, 500, 544, 625, 640, 680, 712, 800, 850, 890, 1000, 1088, 1250, 1280, 1360, 1424, 1513, 1600, 1700, 1780, 2000, 2125, 2176, 2225, 2500, 2720, 2848, 3026, 3200, 3400, 3560, 4000, 4250, 4352, 4450, 5000, 5440, 5696, 6052, 6400, 6800, 7120, 7565, 8000, 8500, 8900, 10000, 10625, 10880, 11125, 11392, 12104, 13600, 14240, 15130, 16000, 17000, 17800, 20000, 21250, 21760, 22250, 22784, 24208, 27200, 28480, 30260, 32000, 34000, 35600, 37825, 40000, 42500, 44500, 48416, 54400, 55625, 56960, 60520, 68000, 71200, 75650, 80000, 85000, 89000, 96832, 108800, 111250, 113920, 121040, 136000, 142400, 151300, 160000, 170000, 178000, 189125, 193664, 222500, 242080, 272000, 284800, 302600, 340000, 356000, 378250, 387328, 445000, 484160, 544000, 569600, 605200, 680000, 712000, 756500, 890000, 945625, 968320, 1210400, 1360000, 1424000, 1513000, 1780000, 1891250, 1936640, 2420800, 2720000, 2848000, 3026000, 3560000, 3782500, 4841600, 6052000, 7120000, 7565000, 9683200, 12104000, 14240000, 15130000, 24208000, 30260000, 48416000, 60520000, 121040000, 242080000]

約数ペア:

[(1, 242080000), (2, 121040000), (4, 60520000), (5, 48416000), (8, 30260000), (10, 24208000), (16, 15130000), (17, 14240000), (20, 12104000), (25, 9683200), (32, 7565000), (34, 7120000), (40, 6052000), (50, 4841600), (64, 3782500), (68, 3560000), (80, 3026000), (85, 2848000), (89, 2720000), (100, 2420800), (125, 1936640), (128, 1891250), (136, 1780000), (160, 1513000), (170, 1424000), (178, 1360000), (200, 1210400), (250, 968320), (256, 945625), (272, 890000), (320, 756500), (340, 712000), (356, 680000), (400, 605200), (425, 569600), (445, 544000), (500, 484160), (544, 445000), (625, 387328), (640, 378250), (680, 356000), (712, 340000), (800, 302600), (850, 284800), (890, 272000), (1000, 242080), (1088, 222500), (1250, 193664), (1280, 189125), (1360, 178000), (1424, 170000), (1513, 160000), (1600, 151300), (1700, 142400), (1780, 136000), (2000, 121040), (2125, 113920), (2176, 111250), (2225, 108800), (2500, 96832), (2720, 89000), (2848, 85000), (3026, 80000), (3200, 75650), (3400, 71200), (3560, 68000), (4000, 60520), (4250, 56960), (4352, 55625), (4450, 54400), (5000, 48416), (5440, 44500), (5696, 42500), (6052, 40000), (6400, 37825), (6800, 35600), (7120, 34000), (7565, 32000), (8000, 30260), (8500, 28480), (8900, 27200), (10000, 24208), (10625, 22784), (10880, 22250), (11125, 21760), (11392, 21250), (12104, 20000), (13600, 17800), (14240, 17000), (15130, 16000)]