30401995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 11530805

約数列:

[1, 5, 13, 19, 65, 95, 103, 239, 247, 515, 1195, 1235, 1339, 1957, 3107, 4541, 6695, 9785, 15535, 22705, 24617, 25441, 59033, 123085, 127205, 295165, 320021, 467723, 1600105, 2338615, 6080399, 30401995]

約数ペア:

[(1, 30401995), (5, 6080399), (13, 2338615), (19, 1600105), (65, 467723), (95, 320021), (103, 295165), (239, 127205), (247, 123085), (515, 59033), (1195, 25441), (1235, 24617), (1339, 22705), (1957, 15535), (3107, 9785), (4541, 6695)]