215525660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 552521088

約数和(自身を除く): 336995428

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 137, 140, 170, 238, 274, 340, 476, 548, 595, 661, 685, 959, 1190, 1322, 1370, 1918, 2329, 2380, 2644, 2740, 3305, 3836, 4627, 4658, 4795, 6610, 9254, 9316, 9590, 11237, 11645, 13220, 16303, 18508, 19180, 22474, 23135, 23290, 32606, 44948, 46270, 46580, 56185, 65212, 78659, 81515, 90557, 92540, 112370, 157318, 163030, 181114, 224740, 314636, 326060, 362228, 393295, 452785, 633899, 786590, 905570, 1267798, 1539469, 1573180, 1811140, 2535596, 3078938, 3169495, 6157876, 6338990, 7697345, 10776283, 12677980, 15394690, 21552566, 30789380, 43105132, 53881415, 107762830, 215525660]

約数ペア:

[(1, 215525660), (2, 107762830), (4, 53881415), (5, 43105132), (7, 30789380), (10, 21552566), (14, 15394690), (17, 12677980), (20, 10776283), (28, 7697345), (34, 6338990), (35, 6157876), (68, 3169495), (70, 3078938), (85, 2535596), (119, 1811140), (137, 1573180), (140, 1539469), (170, 1267798), (238, 905570), (274, 786590), (340, 633899), (476, 452785), (548, 393295), (595, 362228), (661, 326060), (685, 314636), (959, 224740), (1190, 181114), (1322, 163030), (1370, 157318), (1918, 112370), (2329, 92540), (2380, 90557), (2644, 81515), (2740, 78659), (3305, 65212), (3836, 56185), (4627, 46580), (4658, 46270), (4795, 44948), (6610, 32606), (9254, 23290), (9316, 23135), (9590, 22474), (11237, 19180), (11645, 18508), (13220, 16303)]