208023730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 419344128

約数和(自身を除く): 211320398

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 83, 85, 115, 166, 170, 230, 391, 415, 641, 782, 830, 1282, 1411, 1909, 1955, 2822, 3205, 3818, 3910, 6410, 7055, 9545, 10897, 14110, 14743, 19090, 21794, 29486, 32453, 53203, 54485, 64906, 73715, 106406, 108970, 147430, 162265, 250631, 266015, 324530, 501262, 532030, 904451, 1223669, 1253155, 1808902, 2447338, 2506310, 4522255, 6118345, 9044510, 12236690, 20802373, 41604746, 104011865, 208023730]

約数ペア:

[(1, 208023730), (2, 104011865), (5, 41604746), (10, 20802373), (17, 12236690), (23, 9044510), (34, 6118345), (46, 4522255), (83, 2506310), (85, 2447338), (115, 1808902), (166, 1253155), (170, 1223669), (230, 904451), (391, 532030), (415, 501262), (641, 324530), (782, 266015), (830, 250631), (1282, 162265), (1411, 147430), (1909, 108970), (1955, 106406), (2822, 73715), (3205, 64906), (3818, 54485), (3910, 53203), (6410, 32453), (7055, 29486), (9545, 21794), (10897, 19090), (14110, 14743)]