11991000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{571}}^1$

素因数の和:602

約数の個数: 128

約数和(自身を含む): 42831360

約数和(自身を除く): 30840360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 571, 600, 700, 750, 840, 875, 1000, 1050, 1142, 1400, 1500, 1713, 1750, 2100, 2284, 2625, 2855, 3000, 3426, 3500, 3997, 4200, 4568, 5250, 5710, 6852, 7000, 7994, 8565, 10500, 11420, 11991, 13704, 14275, 15988, 17130, 19985, 21000, 22840, 23982, 28550, 31976, 34260, 39970, 42825, 47964, 57100, 59955, 68520, 71375, 79940, 85650, 95928, 99925, 114200, 119910, 142750, 159880, 171300, 199850, 214125, 239820, 285500, 299775, 342600, 399700, 428250, 479640, 499625, 571000, 599550, 799400, 856500, 999250, 1199100, 1498875, 1713000, 1998500, 2398200, 2997750, 3997000, 5995500, 11991000]

約数ペア:

[(1, 11991000), (2, 5995500), (3, 3997000), (4, 2997750), (5, 2398200), (6, 1998500), (7, 1713000), (8, 1498875), (10, 1199100), (12, 999250), (14, 856500), (15, 799400), (20, 599550), (21, 571000), (24, 499625), (25, 479640), (28, 428250), (30, 399700), (35, 342600), (40, 299775), (42, 285500), (50, 239820), (56, 214125), (60, 199850), (70, 171300), (75, 159880), (84, 142750), (100, 119910), (105, 114200), (120, 99925), (125, 95928), (140, 85650), (150, 79940), (168, 71375), (175, 68520), (200, 59955), (210, 57100), (250, 47964), (280, 42825), (300, 39970), (350, 34260), (375, 31976), (420, 28550), (500, 23982), (525, 22840), (571, 21000), (600, 19985), (700, 17130), (750, 15988), (840, 14275), (875, 13704), (1000, 11991), (1050, 11420), (1142, 10500), (1400, 8565), (1500, 7994), (1713, 7000), (1750, 6852), (2100, 5710), (2284, 5250), (2625, 4568), (2855, 4200), (3000, 3997), (3426, 3500)]