28541250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 120

約数和(自身を含む): 80411760

約数和(自身を除く): 51870510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 59, 75, 86, 90, 118, 125, 129, 150, 177, 215, 225, 250, 258, 295, 354, 375, 387, 430, 450, 531, 590, 625, 645, 750, 774, 885, 1062, 1075, 1125, 1250, 1290, 1475, 1770, 1875, 1935, 2150, 2250, 2537, 2655, 2950, 3225, 3750, 3870, 4425, 5074, 5310, 5375, 5625, 6450, 7375, 7611, 8850, 9675, 10750, 11250, 12685, 13275, 14750, 15222, 16125, 19350, 22125, 22833, 25370, 26550, 26875, 32250, 36875, 38055, 44250, 45666, 48375, 53750, 63425, 66375, 73750, 76110, 80625, 96750, 110625, 114165, 126850, 132750, 161250, 190275, 221250, 228330, 241875, 317125, 331875, 380550, 483750, 570825, 634250, 663750, 951375, 1141650, 1585625, 1902750, 2854125, 3171250, 4756875, 5708250, 9513750, 14270625, 28541250]

約数ペア:

[(1, 28541250), (2, 14270625), (3, 9513750), (5, 5708250), (6, 4756875), (9, 3171250), (10, 2854125), (15, 1902750), (18, 1585625), (25, 1141650), (30, 951375), (43, 663750), (45, 634250), (50, 570825), (59, 483750), (75, 380550), (86, 331875), (90, 317125), (118, 241875), (125, 228330), (129, 221250), (150, 190275), (177, 161250), (215, 132750), (225, 126850), (250, 114165), (258, 110625), (295, 96750), (354, 80625), (375, 76110), (387, 73750), (430, 66375), (450, 63425), (531, 53750), (590, 48375), (625, 45666), (645, 44250), (750, 38055), (774, 36875), (885, 32250), (1062, 26875), (1075, 26550), (1125, 25370), (1250, 22833), (1290, 22125), (1475, 19350), (1770, 16125), (1875, 15222), (1935, 14750), (2150, 13275), (2250, 12685), (2537, 11250), (2655, 10750), (2950, 9675), (3225, 8850), (3750, 7611), (3870, 7375), (4425, 6450), (5074, 5625), (5310, 5375)]