290917740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{255191}}^1$

素因数の和:255222

約数の個数: 48

約数和(自身を含む): 857445120

約数和(自身を除く): 566527380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 255191, 510382, 765573, 1020764, 1275955, 1531146, 2551910, 3062292, 3827865, 4848629, 5103820, 7655730, 9697258, 14545887, 15311460, 19394516, 24243145, 29091774, 48486290, 58183548, 72729435, 96972580, 145458870, 290917740]

約数ペア:

[(1, 290917740), (2, 145458870), (3, 96972580), (4, 72729435), (5, 58183548), (6, 48486290), (10, 29091774), (12, 24243145), (15, 19394516), (19, 15311460), (20, 14545887), (30, 9697258), (38, 7655730), (57, 5103820), (60, 4848629), (76, 3827865), (95, 3062292), (114, 2551910), (190, 1531146), (228, 1275955), (285, 1020764), (380, 765573), (570, 510382), (1140, 255191)]