325561880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 128

約数和(自身を含む): 870480000

約数和(自身を除く): 544918120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 343, 389, 392, 427, 488, 490, 610, 686, 778, 854, 980, 1220, 1372, 1556, 1708, 1715, 1945, 1960, 2135, 2440, 2723, 2744, 2989, 3112, 3416, 3430, 3890, 4270, 5446, 5978, 6860, 7780, 8540, 10892, 11956, 13615, 13720, 14945, 15560, 17080, 19061, 20923, 21784, 23729, 23912, 27230, 29890, 38122, 41846, 47458, 54460, 59780, 76244, 83692, 94916, 95305, 104615, 108920, 118645, 119560, 133427, 152488, 166103, 167384, 189832, 190610, 209230, 237290, 266854, 332206, 381220, 418460, 474580, 533708, 664412, 667135, 762440, 830515, 836920, 949160, 1067416, 1162721, 1328824, 1334270, 1661030, 2325442, 2668540, 3322060, 4650884, 5337080, 5813605, 6644120, 8139047, 9301768, 11627210, 16278094, 23254420, 32556188, 40695235, 46508840, 65112376, 81390470, 162780940, 325561880]

約数ペア:

[(1, 325561880), (2, 162780940), (4, 81390470), (5, 65112376), (7, 46508840), (8, 40695235), (10, 32556188), (14, 23254420), (20, 16278094), (28, 11627210), (35, 9301768), (40, 8139047), (49, 6644120), (56, 5813605), (61, 5337080), (70, 4650884), (98, 3322060), (122, 2668540), (140, 2325442), (196, 1661030), (244, 1334270), (245, 1328824), (280, 1162721), (305, 1067416), (343, 949160), (389, 836920), (392, 830515), (427, 762440), (488, 667135), (490, 664412), (610, 533708), (686, 474580), (778, 418460), (854, 381220), (980, 332206), (1220, 266854), (1372, 237290), (1556, 209230), (1708, 190610), (1715, 189832), (1945, 167384), (1960, 166103), (2135, 152488), (2440, 133427), (2723, 119560), (2744, 118645), (2989, 108920), (3112, 104615), (3416, 95305), (3430, 94916), (3890, 83692), (4270, 76244), (5446, 59780), (5978, 54460), (6860, 47458), (7780, 41846), (8540, 38122), (10892, 29890), (11956, 27230), (13615, 23912), (13720, 23729), (14945, 21784), (15560, 20923), (17080, 19061)]