277784920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{593}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 731332800

約数和(自身を除く): 453547880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 239, 245, 280, 392, 478, 490, 593, 956, 980, 1186, 1195, 1673, 1912, 1960, 2372, 2390, 2965, 3346, 4151, 4744, 4780, 5930, 6692, 8302, 8365, 9560, 11711, 11860, 13384, 16604, 16730, 20755, 23422, 23720, 29057, 33208, 33460, 41510, 46844, 58114, 58555, 66920, 83020, 93688, 116228, 117110, 141727, 145285, 166040, 232456, 234220, 283454, 290570, 468440, 566908, 581140, 708635, 992089, 1133816, 1162280, 1417270, 1984178, 2834540, 3968356, 4960445, 5669080, 6944623, 7936712, 9920890, 13889246, 19841780, 27778492, 34723115, 39683560, 55556984, 69446230, 138892460, 277784920]

約数ペア:

[(1, 277784920), (2, 138892460), (4, 69446230), (5, 55556984), (7, 39683560), (8, 34723115), (10, 27778492), (14, 19841780), (20, 13889246), (28, 9920890), (35, 7936712), (40, 6944623), (49, 5669080), (56, 4960445), (70, 3968356), (98, 2834540), (140, 1984178), (196, 1417270), (239, 1162280), (245, 1133816), (280, 992089), (392, 708635), (478, 581140), (490, 566908), (593, 468440), (956, 290570), (980, 283454), (1186, 234220), (1195, 232456), (1673, 166040), (1912, 145285), (1960, 141727), (2372, 117110), (2390, 116228), (2965, 93688), (3346, 83020), (4151, 66920), (4744, 58555), (4780, 58114), (5930, 46844), (6692, 41510), (8302, 33460), (8365, 33208), (9560, 29057), (11711, 23720), (11860, 23422), (13384, 20755), (16604, 16730)]