138454400

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{883}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 398317140

約数和(自身を除く): 259862740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 883, 896, 980, 1120, 1225, 1400, 1568, 1600, 1766, 1960, 2240, 2450, 2800, 3136, 3200, 3532, 3920, 4415, 4480, 4900, 5600, 6181, 6272, 7064, 7840, 8830, 9800, 11200, 12362, 14128, 15680, 17660, 19600, 22075, 22400, 24724, 28256, 30905, 31360, 35320, 39200, 43267, 44150, 49448, 56512, 61810, 70640, 78400, 86534, 88300, 98896, 113024, 123620, 141280, 154525, 156800, 173068, 176600, 197792, 216335, 247240, 282560, 309050, 346136, 353200, 395584, 432670, 494480, 565120, 618100, 692272, 706400, 791168, 865340, 988960, 1081675, 1236200, 1384544, 1412800, 1730680, 1977920, 2163350, 2472400, 2769088, 2825600, 3461360, 3955840, 4326700, 4944800, 5538176, 6922720, 8653400, 9889600, 13845440, 17306800, 19779200, 27690880, 34613600, 69227200, 138454400]

約数ペア:

[(1, 138454400), (2, 69227200), (4, 34613600), (5, 27690880), (7, 19779200), (8, 17306800), (10, 13845440), (14, 9889600), (16, 8653400), (20, 6922720), (25, 5538176), (28, 4944800), (32, 4326700), (35, 3955840), (40, 3461360), (49, 2825600), (50, 2769088), (56, 2472400), (64, 2163350), (70, 1977920), (80, 1730680), (98, 1412800), (100, 1384544), (112, 1236200), (128, 1081675), (140, 988960), (160, 865340), (175, 791168), (196, 706400), (200, 692272), (224, 618100), (245, 565120), (280, 494480), (320, 432670), (350, 395584), (392, 353200), (400, 346136), (448, 309050), (490, 282560), (560, 247240), (640, 216335), (700, 197792), (784, 176600), (800, 173068), (883, 156800), (896, 154525), (980, 141280), (1120, 123620), (1225, 113024), (1400, 98896), (1568, 88300), (1600, 86534), (1766, 78400), (1960, 70640), (2240, 61810), (2450, 56512), (2800, 49448), (3136, 44150), (3200, 43267), (3532, 39200), (3920, 35320), (4415, 31360), (4480, 30905), (4900, 28256), (5600, 24724), (6181, 22400), (6272, 22075), (7064, 19600), (7840, 17660), (8830, 15680), (9800, 14128), (11200, 12362)]