19100200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1979

約数の個数: 72

約数和(自身を含む): 51684750

約数和(自身を除く): 32584550

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1949, 1960, 2450, 3898, 4900, 7796, 9745, 9800, 13643, 15592, 19490, 27286, 38980, 48725, 54572, 68215, 77960, 95501, 97450, 109144, 136430, 191002, 194900, 272860, 341075, 382004, 389800, 477505, 545720, 682150, 764008, 955010, 1364300, 1910020, 2387525, 2728600, 3820040, 4775050, 9550100, 19100200]

約数ペア:

[(1, 19100200), (2, 9550100), (4, 4775050), (5, 3820040), (7, 2728600), (8, 2387525), (10, 1910020), (14, 1364300), (20, 955010), (25, 764008), (28, 682150), (35, 545720), (40, 477505), (49, 389800), (50, 382004), (56, 341075), (70, 272860), (98, 194900), (100, 191002), (140, 136430), (175, 109144), (196, 97450), (200, 95501), (245, 77960), (280, 68215), (350, 54572), (392, 48725), (490, 38980), (700, 27286), (980, 19490), (1225, 15592), (1400, 13643), (1949, 9800), (1960, 9745), (2450, 7796), (3898, 4900)]