2769820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 6320160

約数和(自身を除く): 3550340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 197, 370, 380, 394, 703, 740, 788, 985, 1406, 1970, 2812, 3515, 3743, 3940, 7030, 7289, 7486, 14060, 14578, 14972, 18715, 29156, 36445, 37430, 72890, 74860, 138491, 145780, 276982, 553964, 692455, 1384910, 2769820]

約数ペア:

[(1, 2769820), (2, 1384910), (4, 692455), (5, 553964), (10, 276982), (19, 145780), (20, 138491), (37, 74860), (38, 72890), (74, 37430), (76, 36445), (95, 29156), (148, 18715), (185, 14972), (190, 14578), (197, 14060), (370, 7486), (380, 7289), (394, 7030), (703, 3940), (740, 3743), (788, 3515), (985, 2812), (1406, 1970)]