74991000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3602

約数の個数: 128

約数和(自身を含む): 267471360

約数和(自身を除く): 192480360

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, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 3571, 4200, 5250, 7000, 7142, 10500, 10713, 14284, 17855, 21000, 21426, 24997, 28568, 35710, 42852, 49994, 53565, 71420, 74991, 85704, 89275, 99988, 107130, 124985, 142840, 149982, 178550, 199976, 214260, 249970, 267825, 299964, 357100, 374955, 428520, 446375, 499940, 535650, 599928, 624925, 714200, 749910, 892750, 999880, 1071300, 1249850, 1339125, 1499820, 1785500, 1874775, 2142600, 2499700, 2678250, 2999640, 3124625, 3571000, 3749550, 4999400, 5356500, 6249250, 7499100, 9373875, 10713000, 12498500, 14998200, 18747750, 24997000, 37495500, 74991000]

約数ペア:

[(1, 74991000), (2, 37495500), (3, 24997000), (4, 18747750), (5, 14998200), (6, 12498500), (7, 10713000), (8, 9373875), (10, 7499100), (12, 6249250), (14, 5356500), (15, 4999400), (20, 3749550), (21, 3571000), (24, 3124625), (25, 2999640), (28, 2678250), (30, 2499700), (35, 2142600), (40, 1874775), (42, 1785500), (50, 1499820), (56, 1339125), (60, 1249850), (70, 1071300), (75, 999880), (84, 892750), (100, 749910), (105, 714200), (120, 624925), (125, 599928), (140, 535650), (150, 499940), (168, 446375), (175, 428520), (200, 374955), (210, 357100), (250, 299964), (280, 267825), (300, 249970), (350, 214260), (375, 199976), (420, 178550), (500, 149982), (525, 142840), (600, 124985), (700, 107130), (750, 99988), (840, 89275), (875, 85704), (1000, 74991), (1050, 71420), (1400, 53565), (1500, 49994), (1750, 42852), (2100, 35710), (2625, 28568), (3000, 24997), (3500, 21426), (3571, 21000), (4200, 17855), (5250, 14284), (7000, 10713), (7142, 10500)]