906720430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 2093921280

約数和(自身を除く): 1187200850

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 101, 110, 131, 154, 178, 202, 262, 385, 445, 505, 623, 655, 707, 770, 890, 917, 979, 1010, 1111, 1246, 1310, 1414, 1441, 1834, 1958, 2222, 2882, 3115, 3535, 4585, 4895, 5555, 6230, 6853, 7070, 7205, 7777, 8989, 9170, 9790, 10087, 11110, 11659, 13231, 13706, 14410, 15554, 17978, 20174, 23318, 26462, 34265, 38885, 44945, 50435, 58295, 62923, 66155, 68530, 77770, 81613, 89890, 92617, 98879, 100870, 116590, 125846, 128249, 132310, 145541, 163226, 185234, 197758, 256498, 291082, 314615, 408065, 463085, 494395, 629230, 641245, 692153, 727705, 816130, 897743, 926170, 988790, 1018787, 1177559, 1282490, 1384306, 1455410, 1795486, 2037574, 2355118, 3460765, 4488715, 5093935, 5887795, 6921530, 8242913, 8977430, 10187870, 11775590, 12953149, 16485826, 25906298, 41214565, 64765745, 82429130, 90672043, 129531490, 181344086, 453360215, 906720430]

約数ペア:

[(1, 906720430), (2, 453360215), (5, 181344086), (7, 129531490), (10, 90672043), (11, 82429130), (14, 64765745), (22, 41214565), (35, 25906298), (55, 16485826), (70, 12953149), (77, 11775590), (89, 10187870), (101, 8977430), (110, 8242913), (131, 6921530), (154, 5887795), (178, 5093935), (202, 4488715), (262, 3460765), (385, 2355118), (445, 2037574), (505, 1795486), (623, 1455410), (655, 1384306), (707, 1282490), (770, 1177559), (890, 1018787), (917, 988790), (979, 926170), (1010, 897743), (1111, 816130), (1246, 727705), (1310, 692153), (1414, 641245), (1441, 629230), (1834, 494395), (1958, 463085), (2222, 408065), (2882, 314615), (3115, 291082), (3535, 256498), (4585, 197758), (4895, 185234), (5555, 163226), (6230, 145541), (6853, 132310), (7070, 128249), (7205, 125846), (7777, 116590), (8989, 100870), (9170, 98879), (9790, 92617), (10087, 89890), (11110, 81613), (11659, 77770), (13231, 68530), (13706, 66155), (14410, 62923), (15554, 58295), (17978, 50435), (20174, 44945), (23318, 38885), (26462, 34265)]