280722590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 543697920

約数和(自身を除く): 262975330

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 137, 151, 230, 274, 295, 302, 590, 685, 755, 1357, 1370, 1510, 2714, 3151, 3473, 6302, 6785, 6946, 8083, 8909, 13570, 15755, 16166, 17365, 17818, 20687, 31510, 34730, 40415, 41374, 44545, 80830, 89090, 103435, 185909, 204907, 206870, 371818, 409814, 475801, 929545, 951602, 1024535, 1220533, 1859090, 2049070, 2379005, 2441066, 4758010, 6102665, 12205330, 28072259, 56144518, 140361295, 280722590]

約数ペア:

[(1, 280722590), (2, 140361295), (5, 56144518), (10, 28072259), (23, 12205330), (46, 6102665), (59, 4758010), (115, 2441066), (118, 2379005), (137, 2049070), (151, 1859090), (230, 1220533), (274, 1024535), (295, 951602), (302, 929545), (590, 475801), (685, 409814), (755, 371818), (1357, 206870), (1370, 204907), (1510, 185909), (2714, 103435), (3151, 89090), (3473, 80830), (6302, 44545), (6785, 41374), (6946, 40415), (8083, 34730), (8909, 31510), (13570, 20687), (15755, 17818), (16166, 17365)]