420896625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 749938176

約数和(自身を除く): 329041551

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 125, 255, 309, 375, 425, 515, 641, 1275, 1545, 1751, 1923, 2125, 2575, 3205, 5253, 6375, 7725, 8755, 9615, 10897, 12875, 16025, 26265, 32691, 38625, 43775, 48075, 54485, 66023, 80125, 131325, 163455, 198069, 218875, 240375, 272425, 330115, 656625, 817275, 990345, 1122391, 1362125, 1650575, 3367173, 4086375, 4951725, 5611955, 8252875, 16835865, 24758625, 28059775, 84179325, 140298875, 420896625]

約数ペア:

[(1, 420896625), (3, 140298875), (5, 84179325), (15, 28059775), (17, 24758625), (25, 16835865), (51, 8252875), (75, 5611955), (85, 4951725), (103, 4086375), (125, 3367173), (255, 1650575), (309, 1362125), (375, 1122391), (425, 990345), (515, 817275), (641, 656625), (1275, 330115), (1545, 272425), (1751, 240375), (1923, 218875), (2125, 198069), (2575, 163455), (3205, 131325), (5253, 80125), (6375, 66023), (7725, 54485), (8755, 48075), (9615, 43775), (10897, 38625), (12875, 32691), (16025, 26265)]