1218700864060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10303}}^1\times {\mathrm{311279}}^1$

素因数の和:321610

約数の個数: 48

約数和(自身を含む): 2694240460800

約数和(自身を除く): 1475539596740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10303, 20606, 41212, 51515, 103030, 195757, 206060, 311279, 391514, 622558, 783028, 978785, 1245116, 1556395, 1957570, 3112790, 3915140, 5914301, 6225580, 11828602, 23657204, 29571505, 59143010, 118286020, 3207107537, 6414215074, 12828430148, 16035537685, 32071075370, 60935043203, 64142150740, 121870086406, 243740172812, 304675216015, 609350432030, 1218700864060]

約数ペア:

[(1, 1218700864060), (2, 609350432030), (4, 304675216015), (5, 243740172812), (10, 121870086406), (19, 64142150740), (20, 60935043203), (38, 32071075370), (76, 16035537685), (95, 12828430148), (190, 6414215074), (380, 3207107537), (10303, 118286020), (20606, 59143010), (41212, 29571505), (51515, 23657204), (103030, 11828602), (195757, 6225580), (206060, 5914301), (311279, 3915140), (391514, 3112790), (622558, 1957570), (783028, 1556395), (978785, 1245116)]