210289430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{52181}}^1$

素因数の和:52232

約数の個数: 32

約数和(自身を含む): 420795648

約数和(自身を除く): 210506218

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 52181, 104362, 260905, 521810, 678353, 1356706, 1617611, 3235222, 3391765, 6783530, 8088055, 16176110, 21028943, 42057886, 105144715, 210289430]

約数ペア:

[(1, 210289430), (2, 105144715), (5, 42057886), (10, 21028943), (13, 16176110), (26, 8088055), (31, 6783530), (62, 3391765), (65, 3235222), (130, 1617611), (155, 1356706), (310, 678353), (403, 521810), (806, 260905), (2015, 104362), (4030, 52181)]