77557900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 194425056

約数和(自身を除く): 116867156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1097, 1414, 2020, 2194, 2525, 2828, 3535, 4388, 5050, 5485, 7070, 7679, 10100, 10970, 14140, 15358, 17675, 21940, 27425, 30716, 35350, 38395, 54850, 70700, 76790, 109700, 110797, 153580, 191975, 221594, 383950, 443188, 553985, 767900, 775579, 1107970, 1551158, 2215940, 2769925, 3102316, 3877895, 5539850, 7755790, 11079700, 15511580, 19389475, 38778950, 77557900]

約数ペア:

[(1, 77557900), (2, 38778950), (4, 19389475), (5, 15511580), (7, 11079700), (10, 7755790), (14, 5539850), (20, 3877895), (25, 3102316), (28, 2769925), (35, 2215940), (50, 1551158), (70, 1107970), (100, 775579), (101, 767900), (140, 553985), (175, 443188), (202, 383950), (350, 221594), (404, 191975), (505, 153580), (700, 110797), (707, 109700), (1010, 76790), (1097, 70700), (1414, 54850), (2020, 38395), (2194, 35350), (2525, 30716), (2828, 27425), (3535, 21940), (4388, 17675), (5050, 15358), (5485, 14140), (7070, 10970), (7679, 10100)]