8977430

素因数分解:

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

素因数の和:245

約数の個数: 64

約数和(自身を含む): 20528640

約数和(自身を除く): 11551210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 131, 154, 178, 262, 385, 445, 623, 655, 770, 890, 917, 979, 1246, 1310, 1441, 1834, 1958, 2882, 3115, 4585, 4895, 6230, 6853, 7205, 9170, 9790, 10087, 11659, 13706, 14410, 20174, 23318, 34265, 50435, 58295, 68530, 81613, 100870, 116590, 128249, 163226, 256498, 408065, 641245, 816130, 897743, 1282490, 1795486, 4488715, 8977430]

約数ペア:

[(1, 8977430), (2, 4488715), (5, 1795486), (7, 1282490), (10, 897743), (11, 816130), (14, 641245), (22, 408065), (35, 256498), (55, 163226), (70, 128249), (77, 116590), (89, 100870), (110, 81613), (131, 68530), (154, 58295), (178, 50435), (262, 34265), (385, 23318), (445, 20174), (623, 14410), (655, 13706), (770, 11659), (890, 10087), (917, 9790), (979, 9170), (1246, 7205), (1310, 6853), (1441, 6230), (1834, 4895), (1958, 4585), (2882, 3115)]