421456000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 1237317120

約数和(自身を除く): 815861120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 53, 56, 64, 70, 71, 80, 100, 106, 112, 125, 128, 140, 142, 160, 175, 200, 212, 224, 250, 265, 280, 284, 320, 350, 355, 371, 400, 424, 448, 497, 500, 530, 560, 568, 640, 700, 710, 742, 800, 848, 875, 896, 994, 1000, 1060, 1120, 1136, 1325, 1400, 1420, 1484, 1600, 1696, 1750, 1775, 1855, 1988, 2000, 2120, 2240, 2272, 2485, 2650, 2800, 2840, 2968, 3200, 3392, 3500, 3550, 3710, 3763, 3976, 4000, 4240, 4480, 4544, 4970, 5300, 5600, 5680, 5936, 6625, 6784, 7000, 7100, 7420, 7526, 7952, 8000, 8480, 8875, 9088, 9275, 9940, 10600, 11200, 11360, 11872, 12425, 13250, 14000, 14200, 14840, 15052, 15904, 16000, 16960, 17750, 18550, 18815, 19880, 21200, 22400, 22720, 23744, 24850, 26341, 26500, 28000, 28400, 29680, 30104, 31808, 33920, 35500, 37100, 37630, 39760, 42400, 45440, 46375, 47488, 49700, 52682, 53000, 56000, 56800, 59360, 60208, 62125, 63616, 71000, 74200, 75260, 79520, 84800, 92750, 94075, 99400, 105364, 106000, 112000, 113600, 118720, 120416, 124250, 131705, 142000, 148400, 150520, 159040, 169600, 185500, 188150, 198800, 210728, 212000, 227200, 237440, 240832, 248500, 263410, 284000, 296800, 301040, 318080, 371000, 376300, 397600, 421456, 424000, 470375, 481664, 497000, 526820, 568000, 593600, 602080, 658525, 742000, 752600, 795200, 842912, 848000, 940750, 994000, 1053640, 1136000, 1187200, 1204160, 1317050, 1484000, 1505200, 1590400, 1685824, 1881500, 1988000, 2107280, 2408320, 2634100, 2968000, 3010400, 3292625, 3371648, 3763000, 3976000, 4214560, 5268200, 5936000, 6020800, 6585250, 7526000, 7952000, 8429120, 10536400, 12041600, 13170500, 15052000, 16858240, 21072800, 26341000, 30104000, 42145600, 52682000, 60208000, 84291200, 105364000, 210728000, 421456000]

約数ペア:

[(1, 421456000), (2, 210728000), (4, 105364000), (5, 84291200), (7, 60208000), (8, 52682000), (10, 42145600), (14, 30104000), (16, 26341000), (20, 21072800), (25, 16858240), (28, 15052000), (32, 13170500), (35, 12041600), (40, 10536400), (50, 8429120), (53, 7952000), (56, 7526000), (64, 6585250), (70, 6020800), (71, 5936000), (80, 5268200), (100, 4214560), (106, 3976000), (112, 3763000), (125, 3371648), (128, 3292625), (140, 3010400), (142, 2968000), (160, 2634100), (175, 2408320), (200, 2107280), (212, 1988000), (224, 1881500), (250, 1685824), (265, 1590400), (280, 1505200), (284, 1484000), (320, 1317050), (350, 1204160), (355, 1187200), (371, 1136000), (400, 1053640), (424, 994000), (448, 940750), (497, 848000), (500, 842912), (530, 795200), (560, 752600), (568, 742000), (640, 658525), (700, 602080), (710, 593600), (742, 568000), (800, 526820), (848, 497000), (875, 481664), (896, 470375), (994, 424000), (1000, 421456), (1060, 397600), (1120, 376300), (1136, 371000), (1325, 318080), (1400, 301040), (1420, 296800), (1484, 284000), (1600, 263410), (1696, 248500), (1750, 240832), (1775, 237440), (1855, 227200), (1988, 212000), (2000, 210728), (2120, 198800), (2240, 188150), (2272, 185500), (2485, 169600), (2650, 159040), (2800, 150520), (2840, 148400), (2968, 142000), (3200, 131705), (3392, 124250), (3500, 120416), (3550, 118720), (3710, 113600), (3763, 112000), (3976, 106000), (4000, 105364), (4240, 99400), (4480, 94075), (4544, 92750), (4970, 84800), (5300, 79520), (5600, 75260), (5680, 74200), (5936, 71000), (6625, 63616), (6784, 62125), (7000, 60208), (7100, 59360), (7420, 56800), (7526, 56000), (7952, 53000), (8000, 52682), (8480, 49700), (8875, 47488), (9088, 46375), (9275, 45440), (9940, 42400), (10600, 39760), (11200, 37630), (11360, 37100), (11872, 35500), (12425, 33920), (13250, 31808), (14000, 30104), (14200, 29680), (14840, 28400), (15052, 28000), (15904, 26500), (16000, 26341), (16960, 24850), (17750, 23744), (18550, 22720), (18815, 22400), (19880, 21200)]