20148750

素因数分解:

$2^1\times 3^4\times 5^4\times {\mathrm{199}}^1$

素因数の和:233

約数の個数: 100

約数和(自身を含む): 56700600

約数和(自身を除く): 36551850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 199, 225, 250, 270, 375, 398, 405, 450, 597, 625, 675, 750, 810, 995, 1125, 1194, 1250, 1350, 1791, 1875, 1990, 2025, 2250, 2985, 3375, 3582, 3750, 4050, 4975, 5373, 5625, 5970, 6750, 8955, 9950, 10125, 10746, 11250, 14925, 16119, 16875, 17910, 20250, 24875, 26865, 29850, 32238, 33750, 44775, 49750, 50625, 53730, 74625, 80595, 89550, 101250, 124375, 134325, 149250, 161190, 223875, 248750, 268650, 373125, 402975, 447750, 671625, 746250, 805950, 1119375, 1343250, 2014875, 2238750, 3358125, 4029750, 6716250, 10074375, 20148750]

約数ペア:

[(1, 20148750), (2, 10074375), (3, 6716250), (5, 4029750), (6, 3358125), (9, 2238750), (10, 2014875), (15, 1343250), (18, 1119375), (25, 805950), (27, 746250), (30, 671625), (45, 447750), (50, 402975), (54, 373125), (75, 268650), (81, 248750), (90, 223875), (125, 161190), (135, 149250), (150, 134325), (162, 124375), (199, 101250), (225, 89550), (250, 80595), (270, 74625), (375, 53730), (398, 50625), (405, 49750), (450, 44775), (597, 33750), (625, 32238), (675, 29850), (750, 26865), (810, 24875), (995, 20250), (1125, 17910), (1194, 16875), (1250, 16119), (1350, 14925), (1791, 11250), (1875, 10746), (1990, 10125), (2025, 9950), (2250, 8955), (2985, 6750), (3375, 5970), (3582, 5625), (3750, 5373), (4050, 4975)]