208501870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 398960640

約数和(自身を除く): 190458770

約数列:

[1, 2, 5, 10, 47, 59, 73, 94, 103, 118, 146, 206, 235, 295, 365, 470, 515, 590, 730, 1030, 2773, 3431, 4307, 4841, 5546, 6077, 6862, 7519, 8614, 9682, 12154, 13865, 15038, 17155, 21535, 24205, 27730, 30385, 34310, 37595, 43070, 48410, 60770, 75190, 202429, 285619, 353393, 404858, 443621, 571238, 706786, 887242, 1012145, 1428095, 1766965, 2024290, 2218105, 2856190, 3533930, 4436210, 20850187, 41700374, 104250935, 208501870]

約数ペア:

[(1, 208501870), (2, 104250935), (5, 41700374), (10, 20850187), (47, 4436210), (59, 3533930), (73, 2856190), (94, 2218105), (103, 2024290), (118, 1766965), (146, 1428095), (206, 1012145), (235, 887242), (295, 706786), (365, 571238), (470, 443621), (515, 404858), (590, 353393), (730, 285619), (1030, 202429), (2773, 75190), (3431, 60770), (4307, 48410), (4841, 43070), (5546, 37595), (6077, 34310), (6862, 30385), (7519, 27730), (8614, 24205), (9682, 21535), (12154, 17155), (13865, 15038)]