218752510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^2$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 441178920

約数和(自身を除く): 222426410

約数列:

[1, 2, 5, 10, 19, 29, 37, 38, 58, 74, 95, 145, 185, 190, 290, 370, 551, 703, 841, 1073, 1102, 1369, 1406, 1682, 2146, 2738, 2755, 3515, 4205, 5365, 5510, 6845, 7030, 8410, 10730, 13690, 15979, 20387, 26011, 31117, 31958, 39701, 40774, 52022, 62234, 79402, 79895, 101935, 130055, 155585, 159790, 198505, 203870, 260110, 311170, 397010, 591223, 754319, 1151329, 1182446, 1508638, 2302658, 2956115, 3771595, 5756645, 5912230, 7543190, 11513290, 21875251, 43750502, 109376255, 218752510]

約数ペア:

[(1, 218752510), (2, 109376255), (5, 43750502), (10, 21875251), (19, 11513290), (29, 7543190), (37, 5912230), (38, 5756645), (58, 3771595), (74, 2956115), (95, 2302658), (145, 1508638), (185, 1182446), (190, 1151329), (290, 754319), (370, 591223), (551, 397010), (703, 311170), (841, 260110), (1073, 203870), (1102, 198505), (1369, 159790), (1406, 155585), (1682, 130055), (2146, 101935), (2738, 79895), (2755, 79402), (3515, 62234), (4205, 52022), (5365, 40774), (5510, 39701), (6845, 31958), (7030, 31117), (8410, 26011), (10730, 20387), (13690, 15979)]