257703250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 569265840

約数和(自身を除く): 311562590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 109, 125, 175, 193, 218, 245, 250, 350, 386, 490, 545, 763, 875, 965, 1090, 1225, 1351, 1526, 1750, 1930, 2450, 2702, 2725, 3815, 4825, 5341, 5450, 6125, 6755, 7630, 9457, 9650, 10682, 12250, 13510, 13625, 18914, 19075, 21037, 24125, 26705, 27250, 33775, 38150, 42074, 47285, 48250, 53410, 67550, 94570, 95375, 105185, 133525, 147259, 168875, 190750, 210370, 236425, 267050, 294518, 337750, 472850, 525925, 667625, 736295, 1030813, 1051850, 1182125, 1335250, 1472590, 2061626, 2364250, 2629625, 3681475, 5154065, 5259250, 7362950, 10308130, 18407375, 25770325, 36814750, 51540650, 128851625, 257703250]

約数ペア:

[(1, 257703250), (2, 128851625), (5, 51540650), (7, 36814750), (10, 25770325), (14, 18407375), (25, 10308130), (35, 7362950), (49, 5259250), (50, 5154065), (70, 3681475), (98, 2629625), (109, 2364250), (125, 2061626), (175, 1472590), (193, 1335250), (218, 1182125), (245, 1051850), (250, 1030813), (350, 736295), (386, 667625), (490, 525925), (545, 472850), (763, 337750), (875, 294518), (965, 267050), (1090, 236425), (1225, 210370), (1351, 190750), (1526, 168875), (1750, 147259), (1930, 133525), (2450, 105185), (2702, 95375), (2725, 94570), (3815, 67550), (4825, 53410), (5341, 48250), (5450, 47285), (6125, 42074), (6755, 38150), (7630, 33775), (9457, 27250), (9650, 26705), (10682, 24125), (12250, 21037), (13510, 19075), (13625, 18914)]