1631722660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{81019}}^1$

素因数の和:81100

約数の個数: 48

約数和(自身を含む): 3675067200

約数和(自身を除く): 2043344540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 81019, 162038, 324076, 405095, 810190, 1539361, 1620380, 3078722, 4294007, 6157444, 7696805, 8588014, 15393610, 17176028, 21470035, 30787220, 42940070, 81586133, 85880140, 163172266, 326344532, 407930665, 815861330, 1631722660]

約数ペア:

[(1, 1631722660), (2, 815861330), (4, 407930665), (5, 326344532), (10, 163172266), (19, 85880140), (20, 81586133), (38, 42940070), (53, 30787220), (76, 21470035), (95, 17176028), (106, 15393610), (190, 8588014), (212, 7696805), (265, 6157444), (380, 4294007), (530, 3078722), (1007, 1620380), (1060, 1539361), (2014, 810190), (4028, 405095), (5035, 324076), (10070, 162038), (20140, 81019)]