420474880

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 156

約数和(自身を含む): 1176555240

約数和(自身を除く): 756080360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 419, 448, 490, 512, 560, 640, 784, 838, 896, 980, 1024, 1120, 1280, 1568, 1676, 1792, 1960, 2048, 2095, 2240, 2560, 2933, 3136, 3352, 3584, 3920, 4096, 4190, 4480, 5120, 5866, 6272, 6704, 7168, 7840, 8380, 8960, 10240, 11732, 12544, 13408, 14336, 14665, 15680, 16760, 17920, 20480, 20531, 23464, 25088, 26816, 28672, 29330, 31360, 33520, 35840, 41062, 46928, 50176, 53632, 58660, 62720, 67040, 71680, 82124, 93856, 100352, 102655, 107264, 117320, 125440, 134080, 143360, 164248, 187712, 200704, 205310, 214528, 234640, 250880, 268160, 328496, 375424, 410620, 429056, 469280, 501760, 536320, 656992, 750848, 821240, 858112, 938560, 1003520, 1072640, 1313984, 1501696, 1642480, 1716224, 1877120, 2145280, 2627968, 3003392, 3284960, 3754240, 4290560, 5255936, 6006784, 6569920, 7508480, 8581120, 10511872, 12013568, 13139840, 15016960, 21023744, 26279680, 30033920, 42047488, 52559360, 60067840, 84094976, 105118720, 210237440, 420474880]

約数ペア:

[(1, 420474880), (2, 210237440), (4, 105118720), (5, 84094976), (7, 60067840), (8, 52559360), (10, 42047488), (14, 30033920), (16, 26279680), (20, 21023744), (28, 15016960), (32, 13139840), (35, 12013568), (40, 10511872), (49, 8581120), (56, 7508480), (64, 6569920), (70, 6006784), (80, 5255936), (98, 4290560), (112, 3754240), (128, 3284960), (140, 3003392), (160, 2627968), (196, 2145280), (224, 1877120), (245, 1716224), (256, 1642480), (280, 1501696), (320, 1313984), (392, 1072640), (419, 1003520), (448, 938560), (490, 858112), (512, 821240), (560, 750848), (640, 656992), (784, 536320), (838, 501760), (896, 469280), (980, 429056), (1024, 410620), (1120, 375424), (1280, 328496), (1568, 268160), (1676, 250880), (1792, 234640), (1960, 214528), (2048, 205310), (2095, 200704), (2240, 187712), (2560, 164248), (2933, 143360), (3136, 134080), (3352, 125440), (3584, 117320), (3920, 107264), (4096, 102655), (4190, 100352), (4480, 93856), (5120, 82124), (5866, 71680), (6272, 67040), (6704, 62720), (7168, 58660), (7840, 53632), (8380, 50176), (8960, 46928), (10240, 41062), (11732, 35840), (12544, 33520), (13408, 31360), (14336, 29330), (14665, 28672), (15680, 26816), (16760, 25088), (17920, 23464), (20480, 20531)]