721000430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{9661}}^1$

素因数の和:10124

約数の個数: 32

約数和(自身を含む): 1377414720

約数和(自身を除く): 656414290

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 2195, 4390, 7463, 9661, 14926, 19322, 37315, 48305, 74630, 96610, 164237, 328474, 821185, 1642370, 4241179, 8482358, 21205895, 42411790, 72100043, 144200086, 360500215, 721000430]

約数ペア:

[(1, 721000430), (2, 360500215), (5, 144200086), (10, 72100043), (17, 42411790), (34, 21205895), (85, 8482358), (170, 4241179), (439, 1642370), (878, 821185), (2195, 328474), (4390, 164237), (7463, 96610), (9661, 74630), (14926, 48305), (19322, 37315)]