209260920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3373}}^1$

素因数の和:3445

約数の個数: 128

約数和(自身を含む): 699632640

約数和(自身を除く): 490371720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 3373, 4136, 5170, 5640, 6204, 6746, 7755, 10119, 10340, 12408, 13492, 15510, 16865, 20238, 20680, 26984, 31020, 33730, 37103, 40476, 50595, 62040, 67460, 74206, 80952, 101190, 111309, 134920, 148412, 158531, 185515, 202380, 222618, 296824, 317062, 371030, 404760, 445236, 475593, 556545, 634124, 742060, 792655, 890472, 951186, 1113090, 1268248, 1484120, 1585310, 1743841, 1902372, 2226180, 2377965, 3170620, 3487682, 3804744, 4452360, 4755930, 5231523, 6341240, 6975364, 8719205, 9511860, 10463046, 13950728, 17438410, 19023720, 20926092, 26157615, 34876820, 41852184, 52315230, 69753640, 104630460, 209260920]

約数ペア:

[(1, 209260920), (2, 104630460), (3, 69753640), (4, 52315230), (5, 41852184), (6, 34876820), (8, 26157615), (10, 20926092), (11, 19023720), (12, 17438410), (15, 13950728), (20, 10463046), (22, 9511860), (24, 8719205), (30, 6975364), (33, 6341240), (40, 5231523), (44, 4755930), (47, 4452360), (55, 3804744), (60, 3487682), (66, 3170620), (88, 2377965), (94, 2226180), (110, 1902372), (120, 1743841), (132, 1585310), (141, 1484120), (165, 1268248), (188, 1113090), (220, 951186), (235, 890472), (264, 792655), (282, 742060), (330, 634124), (376, 556545), (440, 475593), (470, 445236), (517, 404760), (564, 371030), (660, 317062), (705, 296824), (940, 222618), (1034, 202380), (1128, 185515), (1320, 158531), (1410, 148412), (1551, 134920), (1880, 111309), (2068, 101190), (2585, 80952), (2820, 74206), (3102, 67460), (3373, 62040), (4136, 50595), (5170, 40476), (5640, 37103), (6204, 33730), (6746, 31020), (7755, 26984), (10119, 20680), (10340, 20238), (12408, 16865), (13492, 15510)]