138140800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{881}}^1$

素因数の和:919

約数の個数: 144

約数和(自身を含む): 397415970

約数和(自身を除く): 259275170

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, 881, 896, 980, 1120, 1225, 1400, 1568, 1600, 1762, 1960, 2240, 2450, 2800, 3136, 3200, 3524, 3920, 4405, 4480, 4900, 5600, 6167, 6272, 7048, 7840, 8810, 9800, 11200, 12334, 14096, 15680, 17620, 19600, 22025, 22400, 24668, 28192, 30835, 31360, 35240, 39200, 43169, 44050, 49336, 56384, 61670, 70480, 78400, 86338, 88100, 98672, 112768, 123340, 140960, 154175, 156800, 172676, 176200, 197344, 215845, 246680, 281920, 308350, 345352, 352400, 394688, 431690, 493360, 563840, 616700, 690704, 704800, 789376, 863380, 986720, 1079225, 1233400, 1381408, 1409600, 1726760, 1973440, 2158450, 2466800, 2762816, 2819200, 3453520, 3946880, 4316900, 4933600, 5525632, 6907040, 8633800, 9867200, 13814080, 17267600, 19734400, 27628160, 34535200, 69070400, 138140800]

約数ペア:

[(1, 138140800), (2, 69070400), (4, 34535200), (5, 27628160), (7, 19734400), (8, 17267600), (10, 13814080), (14, 9867200), (16, 8633800), (20, 6907040), (25, 5525632), (28, 4933600), (32, 4316900), (35, 3946880), (40, 3453520), (49, 2819200), (50, 2762816), (56, 2466800), (64, 2158450), (70, 1973440), (80, 1726760), (98, 1409600), (100, 1381408), (112, 1233400), (128, 1079225), (140, 986720), (160, 863380), (175, 789376), (196, 704800), (200, 690704), (224, 616700), (245, 563840), (280, 493360), (320, 431690), (350, 394688), (392, 352400), (400, 345352), (448, 308350), (490, 281920), (560, 246680), (640, 215845), (700, 197344), (784, 176200), (800, 172676), (881, 156800), (896, 154175), (980, 140960), (1120, 123340), (1225, 112768), (1400, 98672), (1568, 88100), (1600, 86338), (1762, 78400), (1960, 70480), (2240, 61670), (2450, 56384), (2800, 49336), (3136, 44050), (3200, 43169), (3524, 39200), (3920, 35240), (4405, 31360), (4480, 30835), (4900, 28192), (5600, 24668), (6167, 22400), (6272, 22025), (7048, 19600), (7840, 17620), (8810, 15680), (9800, 14096), (11200, 12334)]