191159780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1823}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 471598848

約数和(自身を除く): 280439068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 749, 980, 1070, 1498, 1823, 2140, 2996, 3646, 3745, 5243, 7292, 7490, 9115, 10486, 12761, 14980, 18230, 20972, 25522, 26215, 36460, 51044, 52430, 63805, 89327, 104860, 127610, 178654, 195061, 255220, 357308, 390122, 446635, 780244, 893270, 975305, 1365427, 1786540, 1950610, 2730854, 3901220, 5461708, 6827135, 9557989, 13654270, 19115978, 27308540, 38231956, 47789945, 95579890, 191159780]

約数ペア:

[(1, 191159780), (2, 95579890), (4, 47789945), (5, 38231956), (7, 27308540), (10, 19115978), (14, 13654270), (20, 9557989), (28, 6827135), (35, 5461708), (49, 3901220), (70, 2730854), (98, 1950610), (107, 1786540), (140, 1365427), (196, 975305), (214, 893270), (245, 780244), (428, 446635), (490, 390122), (535, 357308), (749, 255220), (980, 195061), (1070, 178654), (1498, 127610), (1823, 104860), (2140, 89327), (2996, 63805), (3646, 52430), (3745, 51044), (5243, 36460), (7292, 26215), (7490, 25522), (9115, 20972), (10486, 18230), (12761, 14980)]