209220900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1578

約数の個数: 144

約数和(自身を含む): 702621696

約数和(自身を除く): 493400796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 67, 70, 75, 84, 100, 105, 134, 140, 150, 175, 201, 210, 268, 300, 335, 350, 402, 420, 469, 525, 670, 700, 804, 938, 1005, 1050, 1340, 1407, 1487, 1675, 1876, 2010, 2100, 2345, 2814, 2974, 3350, 4020, 4461, 4690, 5025, 5628, 5948, 6700, 7035, 7435, 8922, 9380, 10050, 10409, 11725, 14070, 14870, 17844, 20100, 20818, 22305, 23450, 28140, 29740, 31227, 35175, 37175, 41636, 44610, 46900, 52045, 62454, 70350, 74350, 89220, 99629, 104090, 111525, 124908, 140700, 148700, 156135, 199258, 208180, 223050, 260225, 298887, 312270, 398516, 446100, 498145, 520450, 597774, 624540, 697403, 780675, 996290, 1040900, 1195548, 1394806, 1494435, 1561350, 1992580, 2092209, 2490725, 2789612, 2988870, 3122700, 3487015, 4184418, 4981450, 5977740, 6974030, 7472175, 8368836, 9962900, 10461045, 13948060, 14944350, 17435075, 20922090, 29888700, 34870150, 41844180, 52305225, 69740300, 104610450, 209220900]

約数ペア:

[(1, 209220900), (2, 104610450), (3, 69740300), (4, 52305225), (5, 41844180), (6, 34870150), (7, 29888700), (10, 20922090), (12, 17435075), (14, 14944350), (15, 13948060), (20, 10461045), (21, 9962900), (25, 8368836), (28, 7472175), (30, 6974030), (35, 5977740), (42, 4981450), (50, 4184418), (60, 3487015), (67, 3122700), (70, 2988870), (75, 2789612), (84, 2490725), (100, 2092209), (105, 1992580), (134, 1561350), (140, 1494435), (150, 1394806), (175, 1195548), (201, 1040900), (210, 996290), (268, 780675), (300, 697403), (335, 624540), (350, 597774), (402, 520450), (420, 498145), (469, 446100), (525, 398516), (670, 312270), (700, 298887), (804, 260225), (938, 223050), (1005, 208180), (1050, 199258), (1340, 156135), (1407, 148700), (1487, 140700), (1675, 124908), (1876, 111525), (2010, 104090), (2100, 99629), (2345, 89220), (2814, 74350), (2974, 70350), (3350, 62454), (4020, 52045), (4461, 46900), (4690, 44610), (5025, 41636), (5628, 37175), (5948, 35175), (6700, 31227), (7035, 29740), (7435, 28140), (8922, 23450), (9380, 22305), (10050, 20818), (10409, 20100), (11725, 17844), (14070, 14870)]