200550980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18133}}^1$

素因数の和:18228

約数の個数: 48

約数和(自身を含む): 487441920

約数和(自身を除く): 286890940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 18133, 36266, 72532, 90665, 126931, 181330, 253862, 362660, 507724, 634655, 1269310, 1432507, 2538620, 2865014, 5730028, 7162535, 10027549, 14325070, 20055098, 28650140, 40110196, 50137745, 100275490, 200550980]

約数ペア:

[(1, 200550980), (2, 100275490), (4, 50137745), (5, 40110196), (7, 28650140), (10, 20055098), (14, 14325070), (20, 10027549), (28, 7162535), (35, 5730028), (70, 2865014), (79, 2538620), (140, 1432507), (158, 1269310), (316, 634655), (395, 507724), (553, 362660), (790, 253862), (1106, 181330), (1580, 126931), (2212, 90665), (2765, 72532), (5530, 36266), (11060, 18133)]