84965020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 124174820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 479, 490, 724, 905, 958, 980, 1267, 1810, 1916, 2395, 2534, 3353, 3620, 4790, 5068, 6335, 6706, 8869, 9580, 12670, 13412, 16765, 17738, 23471, 25340, 33530, 35476, 44345, 46942, 67060, 86699, 88690, 93884, 117355, 173398, 177380, 234710, 346796, 433495, 469420, 606893, 866990, 1213786, 1733980, 2427572, 3034465, 4248251, 6068930, 8496502, 12137860, 16993004, 21241255, 42482510, 84965020]

約数ペア:

[(1, 84965020), (2, 42482510), (4, 21241255), (5, 16993004), (7, 12137860), (10, 8496502), (14, 6068930), (20, 4248251), (28, 3034465), (35, 2427572), (49, 1733980), (70, 1213786), (98, 866990), (140, 606893), (181, 469420), (196, 433495), (245, 346796), (362, 234710), (479, 177380), (490, 173398), (724, 117355), (905, 93884), (958, 88690), (980, 86699), (1267, 67060), (1810, 46942), (1916, 44345), (2395, 35476), (2534, 33530), (3353, 25340), (3620, 23471), (4790, 17738), (5068, 16765), (6335, 13412), (6706, 12670), (8869, 9580)]