390878810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{40759}}^1$

素因数の和:40910

約数の個数: 32

約数和(自身を含む): 809982720

約数和(自身を除く): 419103910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 9590, 40759, 81518, 203795, 285313, 407590, 570626, 1426565, 2853130, 5583983, 11167966, 27919915, 39087881, 55839830, 78175762, 195439405, 390878810]

約数ペア:

[(1, 390878810), (2, 195439405), (5, 78175762), (7, 55839830), (10, 39087881), (14, 27919915), (35, 11167966), (70, 5583983), (137, 2853130), (274, 1426565), (685, 570626), (959, 407590), (1370, 285313), (1918, 203795), (4795, 81518), (9590, 40759)]