909548060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 2028579840

約数和(自身を除く): 1119031780

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 961, 1147, 1279, 1922, 2294, 2558, 3844, 4588, 4805, 5116, 5735, 6395, 9610, 11470, 12790, 19220, 22940, 25580, 35557, 39649, 47323, 71114, 79298, 94646, 142228, 158596, 177785, 189292, 198245, 236615, 355570, 396490, 473230, 711140, 792980, 946460, 1229119, 1467013, 2458238, 2934026, 4916476, 5868052, 6145595, 7335065, 12291190, 14670130, 24582380, 29340260, 45477403, 90954806, 181909612, 227387015, 454774030, 909548060]

約数ペア:

[(1, 909548060), (2, 454774030), (4, 227387015), (5, 181909612), (10, 90954806), (20, 45477403), (31, 29340260), (37, 24582380), (62, 14670130), (74, 12291190), (124, 7335065), (148, 6145595), (155, 5868052), (185, 4916476), (310, 2934026), (370, 2458238), (620, 1467013), (740, 1229119), (961, 946460), (1147, 792980), (1279, 711140), (1922, 473230), (2294, 396490), (2558, 355570), (3844, 236615), (4588, 198245), (4805, 189292), (5116, 177785), (5735, 158596), (6395, 142228), (9610, 94646), (11470, 79298), (12790, 71114), (19220, 47323), (22940, 39649), (25580, 35557)]