1261862690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2315

約数の個数: 64

約数和(自身を含む): 2550776832

約数和(自身を除く): 1288914142

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 101, 106, 110, 202, 265, 505, 530, 583, 1010, 1111, 1166, 2143, 2222, 2915, 4286, 5353, 5555, 5830, 10706, 10715, 11110, 21430, 23573, 26765, 47146, 53530, 58883, 113579, 117766, 117865, 216443, 227158, 235730, 294415, 432886, 567895, 588830, 1082215, 1135790, 1249369, 2164430, 2380873, 2498738, 4761746, 6246845, 11471479, 11904365, 12493690, 22942958, 23808730, 57357395, 114714790, 126186269, 252372538, 630931345, 1261862690]

約数ペア:

[(1, 1261862690), (2, 630931345), (5, 252372538), (10, 126186269), (11, 114714790), (22, 57357395), (53, 23808730), (55, 22942958), (101, 12493690), (106, 11904365), (110, 11471479), (202, 6246845), (265, 4761746), (505, 2498738), (530, 2380873), (583, 2164430), (1010, 1249369), (1111, 1135790), (1166, 1082215), (2143, 588830), (2222, 567895), (2915, 432886), (4286, 294415), (5353, 235730), (5555, 227158), (5830, 216443), (10706, 117865), (10715, 117766), (11110, 113579), (21430, 58883), (23573, 53530), (26765, 47146)]