987047460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3121}}^1$

素因数の和:3394

約数の個数: 144

約数和(自身を含む): 3436497792

約数和(自身を除く): 2449450332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 753, 1004, 1255, 1260, 1506, 1757, 2259, 2510, 3012, 3121, 3514, 3765, 4518, 5020, 5271, 6242, 7028, 7530, 8785, 9036, 9363, 10542, 11295, 12484, 15060, 15605, 15813, 17570, 18726, 21084, 21847, 22590, 26355, 28089, 31210, 31626, 35140, 37452, 43694, 45180, 46815, 52710, 56178, 62420, 63252, 65541, 79065, 87388, 93630, 105420, 109235, 112356, 131082, 140445, 158130, 187260, 196623, 218470, 262164, 280890, 316260, 327705, 393246, 436940, 561780, 655410, 783371, 786492, 983115, 1310820, 1566742, 1966230, 2350113, 3133484, 3916855, 3932460, 4700226, 5483597, 7050339, 7833710, 9400452, 10967194, 11750565, 14100678, 15667420, 16450791, 21934388, 23501130, 27417985, 28201356, 32901582, 35251695, 47002260, 49352373, 54835970, 65803164, 70503390, 82253955, 98704746, 109671940, 141006780, 164507910, 197409492, 246761865, 329015820, 493523730, 987047460]

約数ペア:

[(1, 987047460), (2, 493523730), (3, 329015820), (4, 246761865), (5, 197409492), (6, 164507910), (7, 141006780), (9, 109671940), (10, 98704746), (12, 82253955), (14, 70503390), (15, 65803164), (18, 54835970), (20, 49352373), (21, 47002260), (28, 35251695), (30, 32901582), (35, 28201356), (36, 27417985), (42, 23501130), (45, 21934388), (60, 16450791), (63, 15667420), (70, 14100678), (84, 11750565), (90, 10967194), (105, 9400452), (126, 7833710), (140, 7050339), (180, 5483597), (210, 4700226), (251, 3932460), (252, 3916855), (315, 3133484), (420, 2350113), (502, 1966230), (630, 1566742), (753, 1310820), (1004, 983115), (1255, 786492), (1260, 783371), (1506, 655410), (1757, 561780), (2259, 436940), (2510, 393246), (3012, 327705), (3121, 316260), (3514, 280890), (3765, 262164), (4518, 218470), (5020, 196623), (5271, 187260), (6242, 158130), (7028, 140445), (7530, 131082), (8785, 112356), (9036, 109235), (9363, 105420), (10542, 93630), (11295, 87388), (12484, 79065), (15060, 65541), (15605, 63252), (15813, 62420), (17570, 56178), (18726, 52710), (21084, 46815), (21847, 45180), (22590, 43694), (26355, 37452), (28089, 35140), (31210, 31626)]