649723540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{4463}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 1417409280

約数和(自身を除く): 767685740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 1004, 1255, 2510, 4463, 5020, 7279, 8926, 14558, 17852, 22315, 29116, 36395, 44630, 72790, 89260, 129427, 145580, 258854, 517708, 647135, 1120213, 1294270, 2240426, 2588540, 4480852, 5601065, 11202130, 22404260, 32486177, 64972354, 129944708, 162430885, 324861770, 649723540]

約数ペア:

[(1, 649723540), (2, 324861770), (4, 162430885), (5, 129944708), (10, 64972354), (20, 32486177), (29, 22404260), (58, 11202130), (116, 5601065), (145, 4480852), (251, 2588540), (290, 2240426), (502, 1294270), (580, 1120213), (1004, 647135), (1255, 517708), (2510, 258854), (4463, 145580), (5020, 129427), (7279, 89260), (8926, 72790), (14558, 44630), (17852, 36395), (22315, 29116)]