1330789990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 2495310480

約数和(自身を除く): 1164520490

約数列:

[1, 2, 5, 10, 29, 58, 145, 229, 290, 458, 691, 841, 1145, 1382, 1682, 2290, 3455, 4205, 6641, 6910, 8410, 13282, 20039, 33205, 40078, 66410, 100195, 158239, 192589, 200390, 316478, 385178, 581131, 791195, 962945, 1162262, 1582390, 1925890, 2905655, 4588931, 5811310, 9177862, 22944655, 45889310, 133078999, 266157998, 665394995, 1330789990]

約数ペア:

[(1, 1330789990), (2, 665394995), (5, 266157998), (10, 133078999), (29, 45889310), (58, 22944655), (145, 9177862), (229, 5811310), (290, 4588931), (458, 2905655), (691, 1925890), (841, 1582390), (1145, 1162262), (1382, 962945), (1682, 791195), (2290, 581131), (3455, 385178), (4205, 316478), (6641, 200390), (6910, 192589), (8410, 158239), (13282, 100195), (20039, 66410), (33205, 40078)]