27978860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15373}}^1$

素因数の和:15402

約数の個数: 48

約数和(自身を含む): 72319296

約数和(自身を除く): 44340436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15373, 30746, 61492, 76865, 107611, 153730, 199849, 215222, 307460, 399698, 430444, 538055, 799396, 999245, 1076110, 1398943, 1998490, 2152220, 2797886, 3996980, 5595772, 6994715, 13989430, 27978860]

約数ペア:

[(1, 27978860), (2, 13989430), (4, 6994715), (5, 5595772), (7, 3996980), (10, 2797886), (13, 2152220), (14, 1998490), (20, 1398943), (26, 1076110), (28, 999245), (35, 799396), (52, 538055), (65, 430444), (70, 399698), (91, 307460), (130, 215222), (140, 199849), (182, 153730), (260, 107611), (364, 76865), (455, 61492), (910, 30746), (1820, 15373)]