890581860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2795

約数の個数: 216

約数和(自身を含む): 3228596280

約数和(自身を除く): 2338014420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 245, 252, 259, 294, 315, 333, 370, 420, 441, 444, 490, 518, 555, 588, 630, 666, 735, 740, 777, 882, 980, 1036, 1110, 1260, 1295, 1332, 1470, 1554, 1665, 1764, 1813, 2205, 2220, 2331, 2590, 2729, 2940, 3108, 3330, 3626, 3885, 4410, 4662, 5180, 5439, 5458, 6660, 7252, 7770, 8187, 8820, 9065, 9324, 10878, 10916, 11655, 13645, 15540, 16317, 16374, 18130, 19103, 21756, 23310, 24561, 27195, 27290, 32634, 32748, 36260, 38206, 40935, 46620, 49122, 54390, 54580, 57309, 65268, 76412, 81585, 81870, 95515, 98244, 100973, 108780, 114618, 122805, 133721, 163170, 163740, 171927, 191030, 201946, 229236, 245610, 267442, 286545, 302919, 326340, 343854, 382060, 401163, 403892, 491220, 504865, 534884, 573090, 605838, 668605, 687708, 706811, 802326, 859635, 908757, 1009730, 1146180, 1203489, 1211676, 1337210, 1413622, 1514595, 1604652, 1719270, 1817514, 2005815, 2019460, 2120433, 2406978, 2674420, 2827244, 3029190, 3438540, 3534055, 3635028, 4011630, 4240866, 4543785, 4813956, 4947677, 6017445, 6058380, 6361299, 7068110, 8023260, 8481732, 9087570, 9895354, 10602165, 12034890, 12722598, 14136220, 14843031, 18175140, 19790708, 21204330, 24069780, 24738385, 25445196, 29686062, 31806495, 42408660, 44529093, 49476770, 59372124, 63612990, 74215155, 89058186, 98953540, 127225980, 148430310, 178116372, 222645465, 296860620, 445290930, 890581860]

約数ペア:

[(1, 890581860), (2, 445290930), (3, 296860620), (4, 222645465), (5, 178116372), (6, 148430310), (7, 127225980), (9, 98953540), (10, 89058186), (12, 74215155), (14, 63612990), (15, 59372124), (18, 49476770), (20, 44529093), (21, 42408660), (28, 31806495), (30, 29686062), (35, 25445196), (36, 24738385), (37, 24069780), (42, 21204330), (45, 19790708), (49, 18175140), (60, 14843031), (63, 14136220), (70, 12722598), (74, 12034890), (84, 10602165), (90, 9895354), (98, 9087570), (105, 8481732), (111, 8023260), (126, 7068110), (140, 6361299), (147, 6058380), (148, 6017445), (180, 4947677), (185, 4813956), (196, 4543785), (210, 4240866), (222, 4011630), (245, 3635028), (252, 3534055), (259, 3438540), (294, 3029190), (315, 2827244), (333, 2674420), (370, 2406978), (420, 2120433), (441, 2019460), (444, 2005815), (490, 1817514), (518, 1719270), (555, 1604652), (588, 1514595), (630, 1413622), (666, 1337210), (735, 1211676), (740, 1203489), (777, 1146180), (882, 1009730), (980, 908757), (1036, 859635), (1110, 802326), (1260, 706811), (1295, 687708), (1332, 668605), (1470, 605838), (1554, 573090), (1665, 534884), (1764, 504865), (1813, 491220), (2205, 403892), (2220, 401163), (2331, 382060), (2590, 343854), (2729, 326340), (2940, 302919), (3108, 286545), (3330, 267442), (3626, 245610), (3885, 229236), (4410, 201946), (4662, 191030), (5180, 171927), (5439, 163740), (5458, 163170), (6660, 133721), (7252, 122805), (7770, 114618), (8187, 108780), (8820, 100973), (9065, 98244), (9324, 95515), (10878, 81870), (10916, 81585), (11655, 76412), (13645, 65268), (15540, 57309), (16317, 54580), (16374, 54390), (18130, 49122), (19103, 46620), (21756, 40935), (23310, 38206), (24561, 36260), (27195, 32748), (27290, 32634)]