420714900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1390

約数の個数: 108

約数和(自身を含む): 1322575072

約数和(自身を除く): 901860172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 643, 727, 900, 1286, 1454, 1929, 2181, 2572, 2908, 3215, 3635, 3858, 4362, 5787, 6430, 6543, 7270, 7716, 8724, 9645, 10905, 11574, 12860, 13086, 14540, 16075, 18175, 19290, 21810, 23148, 26172, 28935, 32150, 32715, 36350, 38580, 43620, 48225, 54525, 57870, 64300, 65430, 72700, 96450, 109050, 115740, 130860, 144675, 163575, 192900, 218100, 289350, 327150, 467461, 578700, 654300, 934922, 1402383, 1869844, 2337305, 2804766, 4207149, 4674610, 5609532, 7011915, 8414298, 9349220, 11686525, 14023830, 16828596, 21035745, 23373050, 28047660, 35059575, 42071490, 46746100, 70119150, 84142980, 105178725, 140238300, 210357450, 420714900]

約数ペア:

[(1, 420714900), (2, 210357450), (3, 140238300), (4, 105178725), (5, 84142980), (6, 70119150), (9, 46746100), (10, 42071490), (12, 35059575), (15, 28047660), (18, 23373050), (20, 21035745), (25, 16828596), (30, 14023830), (36, 11686525), (45, 9349220), (50, 8414298), (60, 7011915), (75, 5609532), (90, 4674610), (100, 4207149), (150, 2804766), (180, 2337305), (225, 1869844), (300, 1402383), (450, 934922), (643, 654300), (727, 578700), (900, 467461), (1286, 327150), (1454, 289350), (1929, 218100), (2181, 192900), (2572, 163575), (2908, 144675), (3215, 130860), (3635, 115740), (3858, 109050), (4362, 96450), (5787, 72700), (6430, 65430), (6543, 64300), (7270, 57870), (7716, 54525), (8724, 48225), (9645, 43620), (10905, 38580), (11574, 36350), (12860, 32715), (13086, 32150), (14540, 28935), (16075, 26172), (18175, 23148), (19290, 21810)]