748425020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{763699}}^1$

素因数の和:763722

約数の個数: 36

約数和(自身を含む): 1828297800

約数和(自身を除く): 1079872780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 763699, 1527398, 3054796, 3818495, 5345893, 7636990, 10691786, 15273980, 21383572, 26729465, 37421251, 53458930, 74842502, 106917860, 149685004, 187106255, 374212510, 748425020]

約数ペア:

[(1, 748425020), (2, 374212510), (4, 187106255), (5, 149685004), (7, 106917860), (10, 74842502), (14, 53458930), (20, 37421251), (28, 26729465), (35, 21383572), (49, 15273980), (70, 10691786), (98, 7636990), (140, 5345893), (196, 3818495), (245, 3054796), (490, 1527398), (980, 763699)]