157641290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 152016310

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 127, 139, 190, 235, 254, 278, 470, 635, 695, 893, 1270, 1390, 1786, 2413, 2641, 4465, 4826, 5282, 5969, 6533, 8930, 11938, 12065, 13066, 13205, 17653, 24130, 26410, 29845, 32665, 35306, 59690, 65330, 88265, 113411, 124127, 176530, 226822, 248254, 335407, 567055, 620635, 670814, 829691, 1134110, 1241270, 1659382, 1677035, 3354070, 4148455, 8296910, 15764129, 31528258, 78820645, 157641290]

約数ペア:

[(1, 157641290), (2, 78820645), (5, 31528258), (10, 15764129), (19, 8296910), (38, 4148455), (47, 3354070), (94, 1677035), (95, 1659382), (127, 1241270), (139, 1134110), (190, 829691), (235, 670814), (254, 620635), (278, 567055), (470, 335407), (635, 248254), (695, 226822), (893, 176530), (1270, 124127), (1390, 113411), (1786, 88265), (2413, 65330), (2641, 59690), (4465, 35306), (4826, 32665), (5282, 29845), (5969, 26410), (6533, 24130), (8930, 17653), (11938, 13205), (12065, 13066)]