393359750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 866223072

約数和(自身を除く): 472863322

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 163, 175, 197, 245, 250, 326, 350, 394, 490, 815, 875, 985, 1141, 1225, 1379, 1630, 1750, 1970, 2282, 2450, 2758, 4075, 4925, 5705, 6125, 6895, 7987, 8150, 9653, 9850, 11410, 12250, 13790, 15974, 19306, 20375, 24625, 28525, 32111, 34475, 39935, 40750, 48265, 49250, 57050, 64222, 68950, 79870, 96530, 142625, 160555, 172375, 199675, 224777, 241325, 285250, 321110, 344750, 399350, 449554, 482650, 802775, 998375, 1123885, 1206625, 1573439, 1605550, 1996750, 2247770, 2413250, 3146878, 4013875, 5619425, 7867195, 8027750, 11238850, 15734390, 28097125, 39335975, 56194250, 78671950, 196679875, 393359750]

約数ペア:

[(1, 393359750), (2, 196679875), (5, 78671950), (7, 56194250), (10, 39335975), (14, 28097125), (25, 15734390), (35, 11238850), (49, 8027750), (50, 7867195), (70, 5619425), (98, 4013875), (125, 3146878), (163, 2413250), (175, 2247770), (197, 1996750), (245, 1605550), (250, 1573439), (326, 1206625), (350, 1123885), (394, 998375), (490, 802775), (815, 482650), (875, 449554), (985, 399350), (1141, 344750), (1225, 321110), (1379, 285250), (1630, 241325), (1750, 224777), (1970, 199675), (2282, 172375), (2450, 160555), (2758, 142625), (4075, 96530), (4925, 79870), (5705, 68950), (6125, 64222), (6895, 57050), (7987, 49250), (8150, 48265), (9653, 40750), (9850, 39935), (11410, 34475), (12250, 32111), (13790, 28525), (15974, 24625), (19306, 20375)]