2597910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4659690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 139, 178, 210, 267, 278, 417, 445, 534, 623, 695, 834, 890, 973, 1246, 1335, 1390, 1869, 1946, 2085, 2670, 2919, 3115, 3738, 4170, 4865, 5838, 6230, 9345, 9730, 12371, 14595, 18690, 24742, 29190, 37113, 61855, 74226, 86597, 123710, 173194, 185565, 259791, 371130, 432985, 519582, 865970, 1298955, 2597910]

約数ペア:

[(1, 2597910), (2, 1298955), (3, 865970), (5, 519582), (6, 432985), (7, 371130), (10, 259791), (14, 185565), (15, 173194), (21, 123710), (30, 86597), (35, 74226), (42, 61855), (70, 37113), (89, 29190), (105, 24742), (139, 18690), (178, 14595), (210, 12371), (267, 9730), (278, 9345), (417, 6230), (445, 5838), (534, 4865), (623, 4170), (695, 3738), (834, 3115), (890, 2919), (973, 2670), (1246, 2085), (1335, 1946), (1390, 1869)]