319542020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{9967}}^1$

素因数の和:10212

約数の個数: 48

約数和(自身を含む): 770327040

約数和(自身を除く): 450785020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6412, 8015, 9967, 16030, 19934, 32060, 39868, 49835, 69769, 99670, 139538, 199340, 279076, 348845, 697690, 1395380, 2282443, 4564886, 9129772, 11412215, 15977101, 22824430, 31954202, 45648860, 63908404, 79885505, 159771010, 319542020]

約数ペア:

[(1, 319542020), (2, 159771010), (4, 79885505), (5, 63908404), (7, 45648860), (10, 31954202), (14, 22824430), (20, 15977101), (28, 11412215), (35, 9129772), (70, 4564886), (140, 2282443), (229, 1395380), (458, 697690), (916, 348845), (1145, 279076), (1603, 199340), (2290, 139538), (3206, 99670), (4580, 69769), (6412, 49835), (8015, 39868), (9967, 32060), (16030, 19934)]