247940420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2397

約数の個数: 96

約数和(自身を含む): 651974400

約数和(自身を除く): 404033980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 59, 65, 70, 91, 118, 130, 140, 182, 236, 260, 295, 364, 413, 455, 590, 767, 826, 910, 1180, 1534, 1652, 1820, 2065, 2309, 3068, 3835, 4130, 4618, 5369, 7670, 8260, 9236, 10738, 11545, 15340, 16163, 21476, 23090, 26845, 30017, 32326, 46180, 53690, 60034, 64652, 80815, 107380, 120068, 136231, 150085, 161630, 210119, 272462, 300170, 323260, 420238, 544924, 600340, 681155, 840476, 953617, 1050595, 1362310, 1771003, 1907234, 2101190, 2724620, 3542006, 3814468, 4202380, 4768085, 7084012, 8855015, 9536170, 12397021, 17710030, 19072340, 24794042, 35420060, 49588084, 61985105, 123970210, 247940420]

約数ペア:

[(1, 247940420), (2, 123970210), (4, 61985105), (5, 49588084), (7, 35420060), (10, 24794042), (13, 19072340), (14, 17710030), (20, 12397021), (26, 9536170), (28, 8855015), (35, 7084012), (52, 4768085), (59, 4202380), (65, 3814468), (70, 3542006), (91, 2724620), (118, 2101190), (130, 1907234), (140, 1771003), (182, 1362310), (236, 1050595), (260, 953617), (295, 840476), (364, 681155), (413, 600340), (455, 544924), (590, 420238), (767, 323260), (826, 300170), (910, 272462), (1180, 210119), (1534, 161630), (1652, 150085), (1820, 136231), (2065, 120068), (2309, 107380), (3068, 80815), (3835, 64652), (4130, 60034), (4618, 53690), (5369, 46180), (7670, 32326), (8260, 30017), (9236, 26845), (10738, 23090), (11545, 21476), (15340, 16163)]