208105100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 72

約数和(自身を含む): 543298560

約数和(自身を除く): 335193460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 15647, 31294, 62588, 78235, 109529, 156470, 219058, 297293, 312940, 391175, 438116, 547645, 594586, 782350, 1095290, 1189172, 1486465, 1564700, 2081051, 2190580, 2738225, 2972930, 4162102, 5476450, 5945860, 7432325, 8324204, 10405255, 10952900, 14864650, 20810510, 29729300, 41621020, 52026275, 104052550, 208105100]

約数ペア:

[(1, 208105100), (2, 104052550), (4, 52026275), (5, 41621020), (7, 29729300), (10, 20810510), (14, 14864650), (19, 10952900), (20, 10405255), (25, 8324204), (28, 7432325), (35, 5945860), (38, 5476450), (50, 4162102), (70, 2972930), (76, 2738225), (95, 2190580), (100, 2081051), (133, 1564700), (140, 1486465), (175, 1189172), (190, 1095290), (266, 782350), (350, 594586), (380, 547645), (475, 438116), (532, 391175), (665, 312940), (700, 297293), (950, 219058), (1330, 156470), (1900, 109529), (2660, 78235), (3325, 62588), (6650, 31294), (13300, 15647)]