442400000

素因数分解:

$2^8\times 5^5\times 7^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 1277418240

約数和(自身を除く): 835018240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 100, 112, 125, 128, 140, 158, 160, 175, 200, 224, 250, 256, 280, 316, 320, 350, 395, 400, 448, 500, 553, 560, 625, 632, 640, 700, 790, 800, 875, 896, 1000, 1106, 1120, 1250, 1264, 1280, 1400, 1580, 1600, 1750, 1792, 1975, 2000, 2212, 2240, 2500, 2528, 2765, 2800, 3125, 3160, 3200, 3500, 3950, 4000, 4375, 4424, 4480, 5000, 5056, 5530, 5600, 6250, 6320, 6400, 7000, 7900, 8000, 8750, 8848, 8960, 9875, 10000, 10112, 11060, 11200, 12500, 12640, 13825, 14000, 15800, 16000, 17500, 17696, 19750, 20000, 20224, 21875, 22120, 22400, 25000, 25280, 27650, 28000, 31600, 32000, 35000, 35392, 39500, 40000, 43750, 44240, 44800, 49375, 50000, 50560, 55300, 56000, 63200, 69125, 70000, 70784, 79000, 80000, 87500, 88480, 98750, 100000, 101120, 110600, 112000, 126400, 138250, 140000, 141568, 158000, 160000, 175000, 176960, 197500, 200000, 221200, 224000, 246875, 252800, 276500, 280000, 316000, 345625, 350000, 353920, 395000, 400000, 442400, 493750, 505600, 553000, 560000, 632000, 691250, 700000, 707840, 790000, 800000, 884800, 987500, 1106000, 1120000, 1264000, 1382500, 1400000, 1580000, 1728125, 1769600, 1975000, 2212000, 2528000, 2765000, 2800000, 3160000, 3456250, 3539200, 3950000, 4424000, 5530000, 5600000, 6320000, 6912500, 7900000, 8848000, 11060000, 12640000, 13825000, 15800000, 17696000, 22120000, 27650000, 31600000, 44240000, 55300000, 63200000, 88480000, 110600000, 221200000, 442400000]

約数ペア:

[(1, 442400000), (2, 221200000), (4, 110600000), (5, 88480000), (7, 63200000), (8, 55300000), (10, 44240000), (14, 31600000), (16, 27650000), (20, 22120000), (25, 17696000), (28, 15800000), (32, 13825000), (35, 12640000), (40, 11060000), (50, 8848000), (56, 7900000), (64, 6912500), (70, 6320000), (79, 5600000), (80, 5530000), (100, 4424000), (112, 3950000), (125, 3539200), (128, 3456250), (140, 3160000), (158, 2800000), (160, 2765000), (175, 2528000), (200, 2212000), (224, 1975000), (250, 1769600), (256, 1728125), (280, 1580000), (316, 1400000), (320, 1382500), (350, 1264000), (395, 1120000), (400, 1106000), (448, 987500), (500, 884800), (553, 800000), (560, 790000), (625, 707840), (632, 700000), (640, 691250), (700, 632000), (790, 560000), (800, 553000), (875, 505600), (896, 493750), (1000, 442400), (1106, 400000), (1120, 395000), (1250, 353920), (1264, 350000), (1280, 345625), (1400, 316000), (1580, 280000), (1600, 276500), (1750, 252800), (1792, 246875), (1975, 224000), (2000, 221200), (2212, 200000), (2240, 197500), (2500, 176960), (2528, 175000), (2765, 160000), (2800, 158000), (3125, 141568), (3160, 140000), (3200, 138250), (3500, 126400), (3950, 112000), (4000, 110600), (4375, 101120), (4424, 100000), (4480, 98750), (5000, 88480), (5056, 87500), (5530, 80000), (5600, 79000), (6250, 70784), (6320, 70000), (6400, 69125), (7000, 63200), (7900, 56000), (8000, 55300), (8750, 50560), (8848, 50000), (8960, 49375), (9875, 44800), (10000, 44240), (10112, 43750), (11060, 40000), (11200, 39500), (12500, 35392), (12640, 35000), (13825, 32000), (14000, 31600), (15800, 28000), (16000, 27650), (17500, 25280), (17696, 25000), (19750, 22400), (20000, 22120), (20224, 21875)]