221679770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 449003520

約数和(自身を除く): 227323750

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 127, 130, 145, 254, 290, 377, 463, 635, 754, 926, 1270, 1651, 1885, 2315, 3302, 3683, 3770, 4630, 6019, 7366, 8255, 12038, 13427, 16510, 18415, 26854, 30095, 36830, 47879, 58801, 60190, 67135, 95758, 117602, 134270, 174551, 239395, 294005, 349102, 478790, 588010, 764413, 872755, 1528826, 1705229, 1745510, 3410458, 3822065, 7644130, 8526145, 17052290, 22167977, 44335954, 110839885, 221679770]

約数ペア:

[(1, 221679770), (2, 110839885), (5, 44335954), (10, 22167977), (13, 17052290), (26, 8526145), (29, 7644130), (58, 3822065), (65, 3410458), (127, 1745510), (130, 1705229), (145, 1528826), (254, 872755), (290, 764413), (377, 588010), (463, 478790), (635, 349102), (754, 294005), (926, 239395), (1270, 174551), (1651, 134270), (1885, 117602), (2315, 95758), (3302, 67135), (3683, 60190), (3770, 58801), (4630, 47879), (6019, 36830), (7366, 30095), (8255, 26854), (12038, 18415), (13427, 16510)]