420415520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{375371}}^1$

素因数の和:375393

約数の個数: 48

約数和(自身を含む): 1135124928

約数和(自身を除く): 714709408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 375371, 750742, 1501484, 1876855, 2627597, 3002968, 3753710, 5255194, 6005936, 7507420, 10510388, 12011872, 13137985, 15014840, 21020776, 26275970, 30029680, 42041552, 52551940, 60059360, 84083104, 105103880, 210207760, 420415520]

約数ペア:

[(1, 420415520), (2, 210207760), (4, 105103880), (5, 84083104), (7, 60059360), (8, 52551940), (10, 42041552), (14, 30029680), (16, 26275970), (20, 21020776), (28, 15014840), (32, 13137985), (35, 12011872), (40, 10510388), (56, 7507420), (70, 6005936), (80, 5255194), (112, 3753710), (140, 3002968), (160, 2627597), (224, 1876855), (280, 1501484), (560, 750742), (1120, 375371)]