401442020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{6653}}^1$

素因数の和:7100

約数の個数: 48

約数和(自身を含む): 965841408

約数和(自身を除く): 564399388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4310, 6034, 6653, 8620, 12068, 13306, 15085, 26612, 30170, 33265, 46571, 60340, 66530, 93142, 133060, 186284, 232855, 465710, 931420, 2867443, 5734886, 11469772, 14337215, 20072101, 28674430, 40144202, 57348860, 80288404, 100360505, 200721010, 401442020]

約数ペア:

[(1, 401442020), (2, 200721010), (4, 100360505), (5, 80288404), (7, 57348860), (10, 40144202), (14, 28674430), (20, 20072101), (28, 14337215), (35, 11469772), (70, 5734886), (140, 2867443), (431, 931420), (862, 465710), (1724, 232855), (2155, 186284), (3017, 133060), (4310, 93142), (6034, 66530), (6653, 60340), (8620, 46571), (12068, 33265), (13306, 30170), (15085, 26612)]