252173870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 507911040

約数和(自身を除く): 255737170

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 103, 130, 185, 206, 370, 481, 509, 515, 962, 1018, 1030, 1339, 2405, 2545, 2678, 3811, 4810, 5090, 6617, 6695, 7622, 13234, 13390, 18833, 19055, 33085, 37666, 38110, 49543, 52427, 66170, 94165, 99086, 104854, 188330, 244829, 247715, 262135, 489658, 495430, 524270, 681551, 1224145, 1363102, 1939799, 2448290, 3407755, 3879598, 6815510, 9698995, 19397990, 25217387, 50434774, 126086935, 252173870]

約数ペア:

[(1, 252173870), (2, 126086935), (5, 50434774), (10, 25217387), (13, 19397990), (26, 9698995), (37, 6815510), (65, 3879598), (74, 3407755), (103, 2448290), (130, 1939799), (185, 1363102), (206, 1224145), (370, 681551), (481, 524270), (509, 495430), (515, 489658), (962, 262135), (1018, 247715), (1030, 244829), (1339, 188330), (2405, 104854), (2545, 99086), (2678, 94165), (3811, 66170), (4810, 52427), (5090, 49543), (6617, 38110), (6695, 37666), (7622, 33085), (13234, 19055), (13390, 18833)]