2181720670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1901}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 4284156096

約数和(自身を除く): 2102435426

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 157, 170, 215, 314, 430, 731, 785, 1462, 1570, 1901, 2669, 3655, 3802, 5338, 6751, 7310, 9505, 13345, 13502, 19010, 26690, 32317, 33755, 64634, 67510, 81743, 114767, 161585, 163486, 229534, 298457, 323170, 408715, 573835, 596914, 817430, 1147670, 1389631, 1492285, 2779262, 2984570, 5073769, 6948155, 10147538, 12833651, 13896310, 25368845, 25667302, 50737690, 64168255, 128336510, 218172067, 436344134, 1090860335, 2181720670]

約数ペア:

[(1, 2181720670), (2, 1090860335), (5, 436344134), (10, 218172067), (17, 128336510), (34, 64168255), (43, 50737690), (85, 25667302), (86, 25368845), (157, 13896310), (170, 12833651), (215, 10147538), (314, 6948155), (430, 5073769), (731, 2984570), (785, 2779262), (1462, 1492285), (1570, 1389631), (1901, 1147670), (2669, 817430), (3655, 596914), (3802, 573835), (5338, 408715), (6751, 323170), (7310, 298457), (9505, 229534), (13345, 163486), (13502, 161585), (19010, 114767), (26690, 81743), (32317, 67510), (33755, 64634)]