2420800000

素因数分解:

$2^9\times 5^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 240

約数和(自身を含む): 6473257560

約数和(自身を除く): 4052457560

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, 512, 544, 625, 640, 680, 712, 800, 850, 890, 1000, 1088, 1250, 1280, 1360, 1424, 1513, 1600, 1700, 1780, 2000, 2125, 2176, 2225, 2500, 2560, 2720, 2848, 3026, 3125, 3200, 3400, 3560, 4000, 4250, 4352, 4450, 5000, 5440, 5696, 6052, 6250, 6400, 6800, 7120, 7565, 8000, 8500, 8704, 8900, 10000, 10625, 10880, 11125, 11392, 12104, 12500, 12800, 13600, 14240, 15130, 16000, 17000, 17800, 20000, 21250, 21760, 22250, 22784, 24208, 25000, 27200, 28480, 30260, 32000, 34000, 35600, 37825, 40000, 42500, 43520, 44500, 45568, 48416, 50000, 53125, 54400, 55625, 56960, 60520, 64000, 68000, 71200, 75650, 80000, 85000, 89000, 96832, 100000, 106250, 108800, 111250, 113920, 121040, 136000, 142400, 151300, 160000, 170000, 178000, 189125, 193664, 200000, 212500, 217600, 222500, 227840, 242080, 272000, 278125, 284800, 302600, 320000, 340000, 356000, 378250, 387328, 400000, 425000, 445000, 484160, 544000, 556250, 569600, 605200, 680000, 712000, 756500, 774656, 800000, 850000, 890000, 945625, 968320, 1088000, 1112500, 1139200, 1210400, 1360000, 1424000, 1513000, 1600000, 1700000, 1780000, 1891250, 1936640, 2225000, 2420800, 2720000, 2848000, 3026000, 3400000, 3560000, 3782500, 3873280, 4450000, 4728125, 4841600, 5440000, 5696000, 6052000, 6800000, 7120000, 7565000, 8900000, 9456250, 9683200, 12104000, 13600000, 14240000, 15130000, 17800000, 18912500, 19366400, 24208000, 27200000, 28480000, 30260000, 35600000, 37825000, 48416000, 60520000, 71200000, 75650000, 96832000, 121040000, 142400000, 151300000, 242080000, 302600000, 484160000, 605200000, 1210400000, 2420800000]

約数ペア:

[(1, 2420800000), (2, 1210400000), (4, 605200000), (5, 484160000), (8, 302600000), (10, 242080000), (16, 151300000), (17, 142400000), (20, 121040000), (25, 96832000), (32, 75650000), (34, 71200000), (40, 60520000), (50, 48416000), (64, 37825000), (68, 35600000), (80, 30260000), (85, 28480000), (89, 27200000), (100, 24208000), (125, 19366400), (128, 18912500), (136, 17800000), (160, 15130000), (170, 14240000), (178, 13600000), (200, 12104000), (250, 9683200), (256, 9456250), (272, 8900000), (320, 7565000), (340, 7120000), (356, 6800000), (400, 6052000), (425, 5696000), (445, 5440000), (500, 4841600), (512, 4728125), (544, 4450000), (625, 3873280), (640, 3782500), (680, 3560000), (712, 3400000), (800, 3026000), (850, 2848000), (890, 2720000), (1000, 2420800), (1088, 2225000), (1250, 1936640), (1280, 1891250), (1360, 1780000), (1424, 1700000), (1513, 1600000), (1600, 1513000), (1700, 1424000), (1780, 1360000), (2000, 1210400), (2125, 1139200), (2176, 1112500), (2225, 1088000), (2500, 968320), (2560, 945625), (2720, 890000), (2848, 850000), (3026, 800000), (3125, 774656), (3200, 756500), (3400, 712000), (3560, 680000), (4000, 605200), (4250, 569600), (4352, 556250), (4450, 544000), (5000, 484160), (5440, 445000), (5696, 425000), (6052, 400000), (6250, 387328), (6400, 378250), (6800, 356000), (7120, 340000), (7565, 320000), (8000, 302600), (8500, 284800), (8704, 278125), (8900, 272000), (10000, 242080), (10625, 227840), (10880, 222500), (11125, 217600), (11392, 212500), (12104, 200000), (12500, 193664), (12800, 189125), (13600, 178000), (14240, 170000), (15130, 160000), (16000, 151300), (17000, 142400), (17800, 136000), (20000, 121040), (21250, 113920), (21760, 111250), (22250, 108800), (22784, 106250), (24208, 100000), (25000, 96832), (27200, 89000), (28480, 85000), (30260, 80000), (32000, 75650), (34000, 71200), (35600, 68000), (37825, 64000), (40000, 60520), (42500, 56960), (43520, 55625), (44500, 54400), (45568, 53125), (48416, 50000)]