301504900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 668360000

約数和(自身を除く): 366855100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 139, 199, 218, 278, 398, 436, 545, 556, 695, 796, 995, 1090, 1390, 1990, 2180, 2725, 2780, 3475, 3980, 4975, 5450, 6950, 9950, 10900, 13900, 15151, 19900, 21691, 27661, 30302, 43382, 55322, 60604, 75755, 86764, 108455, 110644, 138305, 151510, 216910, 276610, 303020, 378775, 433820, 542275, 553220, 691525, 757550, 1084550, 1383050, 1515100, 2169100, 2766100, 3015049, 6030098, 12060196, 15075245, 30150490, 60300980, 75376225, 150752450, 301504900]

約数ペア:

[(1, 301504900), (2, 150752450), (4, 75376225), (5, 60300980), (10, 30150490), (20, 15075245), (25, 12060196), (50, 6030098), (100, 3015049), (109, 2766100), (139, 2169100), (199, 1515100), (218, 1383050), (278, 1084550), (398, 757550), (436, 691525), (545, 553220), (556, 542275), (695, 433820), (796, 378775), (995, 303020), (1090, 276610), (1390, 216910), (1990, 151510), (2180, 138305), (2725, 110644), (2780, 108455), (3475, 86764), (3980, 75755), (4975, 60604), (5450, 55322), (6950, 43382), (9950, 30302), (10900, 27661), (13900, 21691), (15151, 19900)]