221436210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 541831680

約数和(自身を除く): 320395470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 233, 237, 395, 401, 466, 474, 699, 790, 802, 1165, 1185, 1203, 1398, 2005, 2330, 2370, 2406, 3495, 4010, 6015, 6990, 12030, 18407, 31679, 36814, 55221, 63358, 92035, 93433, 95037, 110442, 158395, 184070, 186866, 190074, 276105, 280299, 316790, 467165, 475185, 552210, 560598, 934330, 950370, 1401495, 2802990, 7381207, 14762414, 22143621, 36906035, 44287242, 73812070, 110718105, 221436210]

約数ペア:

[(1, 221436210), (2, 110718105), (3, 73812070), (5, 44287242), (6, 36906035), (10, 22143621), (15, 14762414), (30, 7381207), (79, 2802990), (158, 1401495), (233, 950370), (237, 934330), (395, 560598), (401, 552210), (466, 475185), (474, 467165), (699, 316790), (790, 280299), (802, 276105), (1165, 190074), (1185, 186866), (1203, 184070), (1398, 158395), (2005, 110442), (2330, 95037), (2370, 93433), (2406, 92035), (3495, 63358), (4010, 55221), (6015, 36814), (6990, 31679), (12030, 18407)]