647575480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{23029}}^1$

素因数の和:23096

約数の個数: 64

約数和(自身を含む): 1575252000

約数和(自身を除く): 927676520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 23029, 28120, 46058, 92116, 115145, 184232, 230290, 437551, 460580, 852073, 875102, 921160, 1704146, 1750204, 2187755, 3408292, 3500408, 4260365, 4375510, 6816584, 8520730, 8751020, 16189387, 17041460, 17502040, 32378774, 34082920, 64757548, 80946935, 129515096, 161893870, 323787740, 647575480]

約数ペア:

[(1, 647575480), (2, 323787740), (4, 161893870), (5, 129515096), (8, 80946935), (10, 64757548), (19, 34082920), (20, 32378774), (37, 17502040), (38, 17041460), (40, 16189387), (74, 8751020), (76, 8520730), (95, 6816584), (148, 4375510), (152, 4260365), (185, 3500408), (190, 3408292), (296, 2187755), (370, 1750204), (380, 1704146), (703, 921160), (740, 875102), (760, 852073), (1406, 460580), (1480, 437551), (2812, 230290), (3515, 184232), (5624, 115145), (7030, 92116), (14060, 46058), (23029, 28120)]