571290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 1391040

約数和(自身を除く): 819750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 139, 274, 278, 411, 417, 685, 695, 822, 834, 1370, 1390, 2055, 2085, 4110, 4170, 19043, 38086, 57129, 95215, 114258, 190430, 285645, 571290]

約数ペア:

[(1, 571290), (2, 285645), (3, 190430), (5, 114258), (6, 95215), (10, 57129), (15, 38086), (30, 19043), (137, 4170), (139, 4110), (274, 2085), (278, 2055), (411, 1390), (417, 1370), (685, 834), (695, 822)]