1399580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 3622080

約数和(自身を除く): 2222500

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, 769, 910, 1538, 1820, 3076, 3845, 5383, 7690, 9997, 10766, 15380, 19994, 21532, 26915, 39988, 49985, 53830, 69979, 99970, 107660, 139958, 199940, 279916, 349895, 699790, 1399580]

約数ペア:

[(1, 1399580), (2, 699790), (4, 349895), (5, 279916), (7, 199940), (10, 139958), (13, 107660), (14, 99970), (20, 69979), (26, 53830), (28, 49985), (35, 39988), (52, 26915), (65, 21532), (70, 19994), (91, 15380), (130, 10766), (140, 9997), (182, 7690), (260, 5383), (364, 3845), (455, 3076), (769, 1820), (910, 1538)]