286804980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20693}}^1$

素因数の和:20726

約数の個数: 144

約数和(自身を含む): 1084696704

約数和(自身を除く): 797891724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 20693, 41386, 62079, 82772, 103465, 124158, 144851, 186237, 206930, 227623, 248316, 289702, 310395, 372474, 413860, 434553, 455246, 579404, 620790, 682869, 724255, 744948, 869106, 910492, 931185, 1138115, 1241580, 1303659, 1365738, 1448510, 1593361, 1738212, 1862370, 2048607, 2172765, 2276230, 2607318, 2731476, 2897020, 3186722, 3414345, 3724740, 4097214, 4345530, 4552460, 4780083, 5214636, 6373444, 6518295, 6828690, 7966805, 8194428, 8691060, 9560166, 10243035, 13036590, 13657380, 14340249, 15933610, 19120332, 20486070, 23900415, 26073180, 28680498, 31867220, 40972140, 47800830, 57360996, 71701245, 95601660, 143402490, 286804980]

約数ペア:

[(1, 286804980), (2, 143402490), (3, 95601660), (4, 71701245), (5, 57360996), (6, 47800830), (7, 40972140), (9, 31867220), (10, 28680498), (11, 26073180), (12, 23900415), (14, 20486070), (15, 19120332), (18, 15933610), (20, 14340249), (21, 13657380), (22, 13036590), (28, 10243035), (30, 9560166), (33, 8691060), (35, 8194428), (36, 7966805), (42, 6828690), (44, 6518295), (45, 6373444), (55, 5214636), (60, 4780083), (63, 4552460), (66, 4345530), (70, 4097214), (77, 3724740), (84, 3414345), (90, 3186722), (99, 2897020), (105, 2731476), (110, 2607318), (126, 2276230), (132, 2172765), (140, 2048607), (154, 1862370), (165, 1738212), (180, 1593361), (198, 1448510), (210, 1365738), (220, 1303659), (231, 1241580), (252, 1138115), (308, 931185), (315, 910492), (330, 869106), (385, 744948), (396, 724255), (420, 682869), (462, 620790), (495, 579404), (630, 455246), (660, 434553), (693, 413860), (770, 372474), (924, 310395), (990, 289702), (1155, 248316), (1260, 227623), (1386, 206930), (1540, 186237), (1980, 144851), (2310, 124158), (2772, 103465), (3465, 82772), (4620, 62079), (6930, 41386), (13860, 20693)]