252157100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6257}}^1$

素因数の和:6315

約数の個数: 72

約数和(自身を含む): 608377728

約数和(自身を除く): 356220628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 6257, 8060, 10075, 12514, 20150, 25028, 31285, 40300, 62570, 81341, 125140, 156425, 162682, 193967, 312850, 325364, 387934, 406705, 625700, 775868, 813410, 969835, 1626820, 1939670, 2033525, 2521571, 3879340, 4067050, 4849175, 5043142, 8134100, 9698350, 10086284, 12607855, 19396700, 25215710, 50431420, 63039275, 126078550, 252157100]

約数ペア:

[(1, 252157100), (2, 126078550), (4, 63039275), (5, 50431420), (10, 25215710), (13, 19396700), (20, 12607855), (25, 10086284), (26, 9698350), (31, 8134100), (50, 5043142), (52, 4849175), (62, 4067050), (65, 3879340), (100, 2521571), (124, 2033525), (130, 1939670), (155, 1626820), (260, 969835), (310, 813410), (325, 775868), (403, 625700), (620, 406705), (650, 387934), (775, 325364), (806, 312850), (1300, 193967), (1550, 162682), (1612, 156425), (2015, 125140), (3100, 81341), (4030, 62570), (6257, 40300), (8060, 31285), (10075, 25028), (12514, 20150)]