249272240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 695955456

約数和(自身を除く): 446683216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 83, 112, 124, 140, 155, 166, 173, 217, 248, 280, 310, 332, 346, 415, 434, 496, 560, 581, 620, 664, 692, 830, 865, 868, 1085, 1162, 1211, 1240, 1328, 1384, 1660, 1730, 1736, 2170, 2324, 2422, 2480, 2573, 2768, 2905, 3320, 3460, 3472, 4340, 4648, 4844, 5146, 5363, 5810, 6055, 6640, 6920, 8680, 9296, 9688, 10292, 10726, 11620, 12110, 12865, 13840, 14359, 17360, 18011, 19376, 20584, 21452, 23240, 24220, 25730, 26815, 28718, 36022, 37541, 41168, 42904, 46480, 48440, 51460, 53630, 57436, 71795, 72044, 75082, 85808, 90055, 96880, 100513, 102920, 107260, 114872, 143590, 144088, 150164, 180110, 187705, 201026, 205840, 214520, 229744, 287180, 288176, 300328, 360220, 375410, 402052, 429040, 445129, 502565, 574360, 600656, 720440, 750820, 804104, 890258, 1005130, 1148720, 1440880, 1501640, 1608208, 1780516, 2010260, 2225645, 3003280, 3115903, 3561032, 4020520, 4451290, 6231806, 7122064, 8041040, 8902580, 12463612, 15579515, 17805160, 24927224, 31159030, 35610320, 49854448, 62318060, 124636120, 249272240]

約数ペア:

[(1, 249272240), (2, 124636120), (4, 62318060), (5, 49854448), (7, 35610320), (8, 31159030), (10, 24927224), (14, 17805160), (16, 15579515), (20, 12463612), (28, 8902580), (31, 8041040), (35, 7122064), (40, 6231806), (56, 4451290), (62, 4020520), (70, 3561032), (80, 3115903), (83, 3003280), (112, 2225645), (124, 2010260), (140, 1780516), (155, 1608208), (166, 1501640), (173, 1440880), (217, 1148720), (248, 1005130), (280, 890258), (310, 804104), (332, 750820), (346, 720440), (415, 600656), (434, 574360), (496, 502565), (560, 445129), (581, 429040), (620, 402052), (664, 375410), (692, 360220), (830, 300328), (865, 288176), (868, 287180), (1085, 229744), (1162, 214520), (1211, 205840), (1240, 201026), (1328, 187705), (1384, 180110), (1660, 150164), (1730, 144088), (1736, 143590), (2170, 114872), (2324, 107260), (2422, 102920), (2480, 100513), (2573, 96880), (2768, 90055), (2905, 85808), (3320, 75082), (3460, 72044), (3472, 71795), (4340, 57436), (4648, 53630), (4844, 51460), (5146, 48440), (5363, 46480), (5810, 42904), (6055, 41168), (6640, 37541), (6920, 36022), (8680, 28718), (9296, 26815), (9688, 25730), (10292, 24220), (10726, 23240), (11620, 21452), (12110, 20584), (12865, 19376), (13840, 18011), (14359, 17360)]