28296700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 66089520

約数和(自身を除く): 37792820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 281, 380, 475, 530, 562, 950, 1007, 1060, 1124, 1325, 1405, 1900, 2014, 2650, 2810, 4028, 5035, 5300, 5339, 5620, 7025, 10070, 10678, 14050, 14893, 20140, 21356, 25175, 26695, 28100, 29786, 50350, 53390, 59572, 74465, 100700, 106780, 133475, 148930, 266950, 282967, 297860, 372325, 533900, 565934, 744650, 1131868, 1414835, 1489300, 2829670, 5659340, 7074175, 14148350, 28296700]

約数ペア:

[(1, 28296700), (2, 14148350), (4, 7074175), (5, 5659340), (10, 2829670), (19, 1489300), (20, 1414835), (25, 1131868), (38, 744650), (50, 565934), (53, 533900), (76, 372325), (95, 297860), (100, 282967), (106, 266950), (190, 148930), (212, 133475), (265, 106780), (281, 100700), (380, 74465), (475, 59572), (530, 53390), (562, 50350), (950, 29786), (1007, 28100), (1060, 26695), (1124, 25175), (1325, 21356), (1405, 20140), (1900, 14893), (2014, 14050), (2650, 10678), (2810, 10070), (4028, 7025), (5035, 5620), (5300, 5339)]