201771010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 222798590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 139, 178, 233, 278, 445, 466, 623, 695, 890, 973, 1165, 1246, 1390, 1631, 1946, 2330, 3115, 3262, 4865, 6230, 8155, 9730, 12371, 16310, 20737, 24742, 32387, 41474, 61855, 64774, 86597, 103685, 123710, 145159, 161935, 173194, 207370, 226709, 290318, 323870, 432985, 453418, 725795, 865970, 1133545, 1451590, 2267090, 2882443, 5764886, 14412215, 20177101, 28824430, 40354202, 100885505, 201771010]

約数ペア:

[(1, 201771010), (2, 100885505), (5, 40354202), (7, 28824430), (10, 20177101), (14, 14412215), (35, 5764886), (70, 2882443), (89, 2267090), (139, 1451590), (178, 1133545), (233, 865970), (278, 725795), (445, 453418), (466, 432985), (623, 323870), (695, 290318), (890, 226709), (973, 207370), (1165, 173194), (1246, 161935), (1390, 145159), (1631, 123710), (1946, 103685), (2330, 86597), (3115, 64774), (3262, 61855), (4865, 41474), (6230, 32387), (8155, 24742), (9730, 20737), (12371, 16310)]