340402020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{115783}}^1$

素因数の和:115809

約数の個数: 72

約数和(自身を含む): 1108747584

約数和(自身を除く): 768345564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 115783, 231566, 347349, 463132, 578915, 694698, 810481, 1157830, 1389396, 1620962, 1736745, 2315660, 2431443, 3241924, 3473490, 4052405, 4862886, 5673367, 6946980, 8104810, 9725772, 11346734, 12157215, 16209620, 17020101, 22693468, 24314430, 28366835, 34040202, 48628860, 56733670, 68080404, 85100505, 113467340, 170201010, 340402020]

約数ペア:

[(1, 340402020), (2, 170201010), (3, 113467340), (4, 85100505), (5, 68080404), (6, 56733670), (7, 48628860), (10, 34040202), (12, 28366835), (14, 24314430), (15, 22693468), (20, 17020101), (21, 16209620), (28, 12157215), (30, 11346734), (35, 9725772), (42, 8104810), (49, 6946980), (60, 5673367), (70, 4862886), (84, 4052405), (98, 3473490), (105, 3241924), (140, 2431443), (147, 2315660), (196, 1736745), (210, 1620962), (245, 1389396), (294, 1157830), (420, 810481), (490, 694698), (588, 578915), (735, 463132), (980, 347349), (1470, 231566), (2940, 115783)]