85007990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 171927360

約数和(自身を除く): 86919370

約数列:

[1, 2, 5, 10, 17, 29, 34, 43, 58, 85, 86, 145, 170, 215, 290, 401, 430, 493, 731, 802, 986, 1247, 1462, 2005, 2465, 2494, 3655, 4010, 4930, 6235, 6817, 7310, 11629, 12470, 13634, 17243, 21199, 23258, 34085, 34486, 42398, 58145, 68170, 86215, 105995, 116290, 172430, 197693, 211990, 293131, 395386, 500047, 586262, 988465, 1000094, 1465655, 1976930, 2500235, 2931310, 5000470, 8500799, 17001598, 42503995, 85007990]

約数ペア:

[(1, 85007990), (2, 42503995), (5, 17001598), (10, 8500799), (17, 5000470), (29, 2931310), (34, 2500235), (43, 1976930), (58, 1465655), (85, 1000094), (86, 988465), (145, 586262), (170, 500047), (215, 395386), (290, 293131), (401, 211990), (430, 197693), (493, 172430), (731, 116290), (802, 105995), (986, 86215), (1247, 68170), (1462, 58145), (2005, 42398), (2465, 34486), (2494, 34085), (3655, 23258), (4010, 21199), (4930, 17243), (6235, 13634), (6817, 12470), (7310, 11629)]