43890140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 108732960

約数和(自身を除く): 64842820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 229, 259, 370, 458, 518, 740, 916, 1036, 1145, 1295, 1369, 1603, 2290, 2590, 2738, 3206, 4580, 5180, 5476, 6412, 6845, 8015, 8473, 9583, 13690, 16030, 16946, 19166, 27380, 32060, 33892, 38332, 42365, 47915, 59311, 84730, 95830, 118622, 169460, 191660, 237244, 296555, 313501, 593110, 627002, 1186220, 1254004, 1567505, 2194507, 3135010, 4389014, 6270020, 8778028, 10972535, 21945070, 43890140]

約数ペア:

[(1, 43890140), (2, 21945070), (4, 10972535), (5, 8778028), (7, 6270020), (10, 4389014), (14, 3135010), (20, 2194507), (28, 1567505), (35, 1254004), (37, 1186220), (70, 627002), (74, 593110), (140, 313501), (148, 296555), (185, 237244), (229, 191660), (259, 169460), (370, 118622), (458, 95830), (518, 84730), (740, 59311), (916, 47915), (1036, 42365), (1145, 38332), (1295, 33892), (1369, 32060), (1603, 27380), (2290, 19166), (2590, 16946), (2738, 16030), (3206, 13690), (4580, 9583), (5180, 8473), (5476, 8015), (6412, 6845)]