281880900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 216

約数和(自身を含む): 1022059584

約数和(自身を除く): 740178684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 101, 105, 126, 140, 150, 175, 180, 202, 210, 225, 252, 300, 303, 315, 350, 404, 420, 443, 450, 505, 525, 606, 630, 700, 707, 886, 900, 909, 1010, 1050, 1212, 1260, 1329, 1414, 1515, 1575, 1772, 1818, 2020, 2100, 2121, 2215, 2525, 2658, 2828, 3030, 3101, 3150, 3535, 3636, 3987, 4242, 4430, 4545, 5050, 5316, 6060, 6202, 6300, 6363, 6645, 7070, 7575, 7974, 8484, 8860, 9090, 9303, 10100, 10605, 11075, 12404, 12726, 13290, 14140, 15150, 15505, 15948, 17675, 18180, 18606, 19935, 21210, 22150, 22725, 25452, 26580, 27909, 30300, 31010, 31815, 33225, 35350, 37212, 39870, 42420, 44300, 44743, 45450, 46515, 53025, 55818, 62020, 63630, 66450, 70700, 77525, 79740, 89486, 90900, 93030, 99675, 106050, 111636, 127260, 132900, 134229, 139545, 155050, 159075, 178972, 186060, 199350, 212100, 223715, 232575, 268458, 279090, 310100, 313201, 318150, 398700, 402687, 447430, 465150, 536916, 558180, 626402, 636300, 671145, 697725, 805374, 894860, 930300, 939603, 1118575, 1252804, 1342290, 1395450, 1566005, 1610748, 1879206, 2013435, 2237150, 2684580, 2790900, 2818809, 3132010, 3355725, 3758412, 4026870, 4474300, 4698015, 5637618, 6264020, 6711450, 7830025, 8053740, 9396030, 10067175, 11275236, 13422900, 14094045, 15660050, 18792060, 20134350, 23490075, 28188090, 31320100, 40268700, 46980150, 56376180, 70470225, 93960300, 140940450, 281880900]

約数ペア:

[(1, 281880900), (2, 140940450), (3, 93960300), (4, 70470225), (5, 56376180), (6, 46980150), (7, 40268700), (9, 31320100), (10, 28188090), (12, 23490075), (14, 20134350), (15, 18792060), (18, 15660050), (20, 14094045), (21, 13422900), (25, 11275236), (28, 10067175), (30, 9396030), (35, 8053740), (36, 7830025), (42, 6711450), (45, 6264020), (50, 5637618), (60, 4698015), (63, 4474300), (70, 4026870), (75, 3758412), (84, 3355725), (90, 3132010), (100, 2818809), (101, 2790900), (105, 2684580), (126, 2237150), (140, 2013435), (150, 1879206), (175, 1610748), (180, 1566005), (202, 1395450), (210, 1342290), (225, 1252804), (252, 1118575), (300, 939603), (303, 930300), (315, 894860), (350, 805374), (404, 697725), (420, 671145), (443, 636300), (450, 626402), (505, 558180), (525, 536916), (606, 465150), (630, 447430), (700, 402687), (707, 398700), (886, 318150), (900, 313201), (909, 310100), (1010, 279090), (1050, 268458), (1212, 232575), (1260, 223715), (1329, 212100), (1414, 199350), (1515, 186060), (1575, 178972), (1772, 159075), (1818, 155050), (2020, 139545), (2100, 134229), (2121, 132900), (2215, 127260), (2525, 111636), (2658, 106050), (2828, 99675), (3030, 93030), (3101, 90900), (3150, 89486), (3535, 79740), (3636, 77525), (3987, 70700), (4242, 66450), (4430, 63630), (4545, 62020), (5050, 55818), (5316, 53025), (6060, 46515), (6202, 45450), (6300, 44743), (6363, 44300), (6645, 42420), (7070, 39870), (7575, 37212), (7974, 35350), (8484, 33225), (8860, 31815), (9090, 31010), (9303, 30300), (10100, 27909), (10605, 26580), (11075, 25452), (12404, 22725), (12726, 22150), (13290, 21210), (14140, 19935), (15150, 18606), (15505, 18180), (15948, 17675)]