1909663980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{122887}}^1$

素因数の和:122943

約数の個数: 96

約数和(自身を含む): 6276135936

約数和(自身を除く): 4366471956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 122887, 245774, 368661, 491548, 614435, 737322, 860209, 1228870, 1474644, 1720418, 1843305, 2457740, 2580627, 3440836, 3686610, 4301045, 4546819, 5161254, 7373220, 8602090, 9093638, 10322508, 12903135, 13640457, 17204180, 18187276, 22734095, 25806270, 27280914, 31827733, 45468190, 51612540, 54561828, 63655466, 68202285, 90936380, 95483199, 127310932, 136404570, 159138665, 190966398, 272809140, 318277330, 381932796, 477415995, 636554660, 954831990, 1909663980]

約数ペア:

[(1, 1909663980), (2, 954831990), (3, 636554660), (4, 477415995), (5, 381932796), (6, 318277330), (7, 272809140), (10, 190966398), (12, 159138665), (14, 136404570), (15, 127310932), (20, 95483199), (21, 90936380), (28, 68202285), (30, 63655466), (35, 54561828), (37, 51612540), (42, 45468190), (60, 31827733), (70, 27280914), (74, 25806270), (84, 22734095), (105, 18187276), (111, 17204180), (140, 13640457), (148, 12903135), (185, 10322508), (210, 9093638), (222, 8602090), (259, 7373220), (370, 5161254), (420, 4546819), (444, 4301045), (518, 3686610), (555, 3440836), (740, 2580627), (777, 2457740), (1036, 1843305), (1110, 1720418), (1295, 1474644), (1554, 1228870), (2220, 860209), (2590, 737322), (3108, 614435), (3885, 491548), (5180, 368661), (7770, 245774), (15540, 122887)]