30850988

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 68257728

約数和(自身を除く): 37406740

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 49, 68, 94, 98, 119, 188, 196, 197, 238, 329, 394, 476, 658, 788, 799, 833, 1316, 1379, 1598, 1666, 2303, 2758, 3196, 3332, 3349, 4606, 5516, 5593, 6698, 9212, 9259, 9653, 11186, 13396, 18518, 19306, 22372, 23443, 37036, 38612, 39151, 46886, 64813, 78302, 93772, 129626, 156604, 157403, 164101, 259252, 314806, 328202, 453691, 629612, 656404, 907382, 1101821, 1814764, 2203642, 4407284, 7712747, 15425494, 30850988]

約数ペア:

[(1, 30850988), (2, 15425494), (4, 7712747), (7, 4407284), (14, 2203642), (17, 1814764), (28, 1101821), (34, 907382), (47, 656404), (49, 629612), (68, 453691), (94, 328202), (98, 314806), (119, 259252), (188, 164101), (196, 157403), (197, 156604), (238, 129626), (329, 93772), (394, 78302), (476, 64813), (658, 46886), (788, 39151), (799, 38612), (833, 37036), (1316, 23443), (1379, 22372), (1598, 19306), (1666, 18518), (2303, 13396), (2758, 11186), (3196, 9653), (3332, 9259), (3349, 9212), (4606, 6698), (5516, 5593)]