19935000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 67618980

約数和(自身を除く): 47683980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 443, 450, 500, 600, 625, 750, 886, 900, 1000, 1125, 1250, 1329, 1500, 1772, 1800, 1875, 2215, 2250, 2500, 2658, 3000, 3544, 3750, 3987, 4430, 4500, 5000, 5316, 5625, 6645, 7500, 7974, 8860, 9000, 10632, 11075, 11250, 13290, 15000, 15948, 17720, 19935, 22150, 22500, 26580, 31896, 33225, 39870, 44300, 45000, 53160, 55375, 66450, 79740, 88600, 99675, 110750, 132900, 159480, 166125, 199350, 221500, 265800, 276875, 332250, 398700, 443000, 498375, 553750, 664500, 797400, 830625, 996750, 1107500, 1329000, 1661250, 1993500, 2215000, 2491875, 3322500, 3987000, 4983750, 6645000, 9967500, 19935000]

約数ペア:

[(1, 19935000), (2, 9967500), (3, 6645000), (4, 4983750), (5, 3987000), (6, 3322500), (8, 2491875), (9, 2215000), (10, 1993500), (12, 1661250), (15, 1329000), (18, 1107500), (20, 996750), (24, 830625), (25, 797400), (30, 664500), (36, 553750), (40, 498375), (45, 443000), (50, 398700), (60, 332250), (72, 276875), (75, 265800), (90, 221500), (100, 199350), (120, 166125), (125, 159480), (150, 132900), (180, 110750), (200, 99675), (225, 88600), (250, 79740), (300, 66450), (360, 55375), (375, 53160), (443, 45000), (450, 44300), (500, 39870), (600, 33225), (625, 31896), (750, 26580), (886, 22500), (900, 22150), (1000, 19935), (1125, 17720), (1250, 15948), (1329, 15000), (1500, 13290), (1772, 11250), (1800, 11075), (1875, 10632), (2215, 9000), (2250, 8860), (2500, 7974), (2658, 7500), (3000, 6645), (3544, 5625), (3750, 5316), (3987, 5000), (4430, 4500)]