19902346240

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7607}}^1$

素因数の和:7712

約数の個数: 176

約数和(自身を含む): 55317341952

約数和(自身を除く): 35414995712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 2044, 2240, 2336, 2555, 2560, 2920, 3584, 4088, 4480, 4672, 5110, 5120, 5840, 7168, 7607, 8176, 8960, 9344, 10220, 11680, 15214, 16352, 17920, 18688, 20440, 23360, 30428, 32704, 35840, 37376, 38035, 40880, 46720, 53249, 60856, 65408, 74752, 76070, 81760, 93440, 106498, 121712, 130816, 152140, 163520, 186880, 212996, 243424, 261632, 266245, 304280, 327040, 373760, 425992, 486848, 523264, 532490, 555311, 608560, 654080, 851984, 973696, 1064980, 1110622, 1217120, 1308160, 1703968, 1947392, 2129960, 2221244, 2434240, 2616320, 2776555, 3407936, 3887177, 3894784, 4259920, 4442488, 4868480, 5553110, 6815872, 7774354, 7789568, 8519840, 8884976, 9736960, 11106220, 13631744, 15548708, 17039680, 17769952, 19435885, 19473920, 22212440, 27263488, 31097416, 34079360, 35539904, 38871770, 38947840, 44424880, 54526976, 62194832, 68158720, 71079808, 77743540, 88849760, 124389664, 136317440, 142159616, 155487080, 177699520, 248779328, 272634880, 284319232, 310974160, 355399040, 497558656, 568638464, 621948320, 710798080, 995117312, 1243896640, 1421596160, 1990234624, 2487793280, 2843192320, 3980469248, 4975586560, 9951173120, 19902346240]

約数ペア:

[(1, 19902346240), (2, 9951173120), (4, 4975586560), (5, 3980469248), (7, 2843192320), (8, 2487793280), (10, 1990234624), (14, 1421596160), (16, 1243896640), (20, 995117312), (28, 710798080), (32, 621948320), (35, 568638464), (40, 497558656), (56, 355399040), (64, 310974160), (70, 284319232), (73, 272634880), (80, 248779328), (112, 177699520), (128, 155487080), (140, 142159616), (146, 136317440), (160, 124389664), (224, 88849760), (256, 77743540), (280, 71079808), (292, 68158720), (320, 62194832), (365, 54526976), (448, 44424880), (511, 38947840), (512, 38871770), (560, 35539904), (584, 34079360), (640, 31097416), (730, 27263488), (896, 22212440), (1022, 19473920), (1024, 19435885), (1120, 17769952), (1168, 17039680), (1280, 15548708), (1460, 13631744), (1792, 11106220), (2044, 9736960), (2240, 8884976), (2336, 8519840), (2555, 7789568), (2560, 7774354), (2920, 6815872), (3584, 5553110), (4088, 4868480), (4480, 4442488), (4672, 4259920), (5110, 3894784), (5120, 3887177), (5840, 3407936), (7168, 2776555), (7607, 2616320), (8176, 2434240), (8960, 2221244), (9344, 2129960), (10220, 1947392), (11680, 1703968), (15214, 1308160), (16352, 1217120), (17920, 1110622), (18688, 1064980), (20440, 973696), (23360, 851984), (30428, 654080), (32704, 608560), (35840, 555311), (37376, 532490), (38035, 523264), (40880, 486848), (46720, 425992), (53249, 373760), (60856, 327040), (65408, 304280), (74752, 266245), (76070, 261632), (81760, 243424), (93440, 212996), (106498, 186880), (121712, 163520), (130816, 152140)]