121430900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 281232000

約数和(自身を除く): 159801100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 809, 950, 1501, 1580, 1618, 1900, 1975, 3002, 3236, 3950, 4045, 6004, 7505, 7900, 8090, 15010, 15371, 16180, 20225, 30020, 30742, 37525, 40450, 61484, 63911, 75050, 76855, 80900, 127822, 150100, 153710, 255644, 307420, 319555, 384275, 639110, 768550, 1214309, 1278220, 1537100, 1597775, 2428618, 3195550, 4857236, 6071545, 6391100, 12143090, 24286180, 30357725, 60715450, 121430900]

約数ペア:

[(1, 121430900), (2, 60715450), (4, 30357725), (5, 24286180), (10, 12143090), (19, 6391100), (20, 6071545), (25, 4857236), (38, 3195550), (50, 2428618), (76, 1597775), (79, 1537100), (95, 1278220), (100, 1214309), (158, 768550), (190, 639110), (316, 384275), (380, 319555), (395, 307420), (475, 255644), (790, 153710), (809, 150100), (950, 127822), (1501, 80900), (1580, 76855), (1618, 75050), (1900, 63911), (1975, 61484), (3002, 40450), (3236, 37525), (3950, 30742), (4045, 30020), (6004, 20225), (7505, 16180), (7900, 15371), (8090, 15010)]