78396280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3616

約数の個数: 64

約数和(自身を含む): 192132000

約数和(自身を除く): 113735720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 3557, 4408, 5510, 7114, 11020, 14228, 17785, 22040, 28456, 35570, 67583, 71140, 103153, 135166, 142280, 206306, 270332, 337915, 412612, 515765, 540664, 675830, 825224, 1031530, 1351660, 1959907, 2063060, 2703320, 3919814, 4126120, 7839628, 9799535, 15679256, 19599070, 39198140, 78396280]

約数ペア:

[(1, 78396280), (2, 39198140), (4, 19599070), (5, 15679256), (8, 9799535), (10, 7839628), (19, 4126120), (20, 3919814), (29, 2703320), (38, 2063060), (40, 1959907), (58, 1351660), (76, 1031530), (95, 825224), (116, 675830), (145, 540664), (152, 515765), (190, 412612), (232, 337915), (290, 270332), (380, 206306), (551, 142280), (580, 135166), (760, 103153), (1102, 71140), (1160, 67583), (2204, 35570), (2755, 28456), (3557, 22040), (4408, 17785), (5510, 14228), (7114, 11020)]