201439040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 112

約数和(自身を含む): 529986240

約数和(自身を除く): 328547200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 440, 445, 643, 704, 712, 880, 890, 979, 1286, 1424, 1760, 1780, 1958, 2572, 2848, 3215, 3520, 3560, 3916, 4895, 5144, 5696, 6430, 7073, 7120, 7832, 9790, 10288, 12860, 14146, 14240, 15664, 19580, 20576, 25720, 28292, 28480, 31328, 35365, 39160, 41152, 51440, 56584, 57227, 62656, 70730, 78320, 102880, 113168, 114454, 141460, 156640, 205760, 226336, 228908, 282920, 286135, 313280, 452672, 457816, 565840, 572270, 629497, 915632, 1131680, 1144540, 1258994, 1831264, 2263360, 2289080, 2517988, 3147485, 3662528, 4578160, 5035976, 6294970, 9156320, 10071952, 12589940, 18312640, 20143904, 25179880, 40287808, 50359760, 100719520, 201439040]

約数ペア:

[(1, 201439040), (2, 100719520), (4, 50359760), (5, 40287808), (8, 25179880), (10, 20143904), (11, 18312640), (16, 12589940), (20, 10071952), (22, 9156320), (32, 6294970), (40, 5035976), (44, 4578160), (55, 3662528), (64, 3147485), (80, 2517988), (88, 2289080), (89, 2263360), (110, 1831264), (160, 1258994), (176, 1144540), (178, 1131680), (220, 915632), (320, 629497), (352, 572270), (356, 565840), (440, 457816), (445, 452672), (643, 313280), (704, 286135), (712, 282920), (880, 228908), (890, 226336), (979, 205760), (1286, 156640), (1424, 141460), (1760, 114454), (1780, 113168), (1958, 102880), (2572, 78320), (2848, 70730), (3215, 62656), (3520, 57227), (3560, 56584), (3916, 51440), (4895, 41152), (5144, 39160), (5696, 35365), (6430, 31328), (7073, 28480), (7120, 28292), (7832, 25720), (9790, 20576), (10288, 19580), (12860, 15664), (14146, 14240)]