438157020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149033}}^1$

素因数の和:149059

約数の個数: 72

約数和(自身を含む): 1427149584

約数和(自身を除く): 988992564

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, 149033, 298066, 447099, 596132, 745165, 894198, 1043231, 1490330, 1788396, 2086462, 2235495, 2980660, 3129693, 4172924, 4470990, 5216155, 6259386, 7302617, 8941980, 10432310, 12518772, 14605234, 15648465, 20864620, 21907851, 29210468, 31296930, 36513085, 43815702, 62593860, 73026170, 87631404, 109539255, 146052340, 219078510, 438157020]

約数ペア:

[(1, 438157020), (2, 219078510), (3, 146052340), (4, 109539255), (5, 87631404), (6, 73026170), (7, 62593860), (10, 43815702), (12, 36513085), (14, 31296930), (15, 29210468), (20, 21907851), (21, 20864620), (28, 15648465), (30, 14605234), (35, 12518772), (42, 10432310), (49, 8941980), (60, 7302617), (70, 6259386), (84, 5216155), (98, 4470990), (105, 4172924), (140, 3129693), (147, 2980660), (196, 2235495), (210, 2086462), (245, 1788396), (294, 1490330), (420, 1043231), (490, 894198), (588, 745165), (735, 596132), (980, 447099), (1470, 298066), (2940, 149033)]