897588880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 2325565440

約数和(自身を除く): 1427976560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 43, 62, 76, 80, 86, 95, 124, 152, 155, 172, 190, 215, 248, 304, 310, 344, 380, 430, 443, 496, 589, 620, 688, 760, 817, 860, 886, 1178, 1240, 1333, 1520, 1634, 1720, 1772, 2215, 2356, 2480, 2666, 2945, 3268, 3440, 3544, 4085, 4430, 4712, 5332, 5890, 6536, 6665, 7088, 8170, 8417, 8860, 9424, 10664, 11780, 13072, 13330, 13733, 16340, 16834, 17720, 19049, 21328, 23560, 25327, 26660, 27466, 32680, 33668, 35440, 38098, 42085, 47120, 50654, 53320, 54932, 65360, 67336, 68665, 76196, 84170, 95245, 101308, 106640, 109864, 126635, 134672, 137330, 152392, 168340, 190490, 202616, 219728, 253270, 260927, 274660, 304784, 336680, 361931, 380980, 405232, 506540, 521854, 549320, 590519, 673360, 723862, 761960, 1013080, 1043708, 1098640, 1181038, 1304635, 1447724, 1523920, 1809655, 2026160, 2087416, 2362076, 2609270, 2895448, 2952595, 3619310, 4174832, 4724152, 5218540, 5790896, 5905190, 7238620, 9448304, 10437080, 11219861, 11810380, 14477240, 20874160, 22439722, 23620760, 28954480, 44879444, 47241520, 56099305, 89758888, 112198610, 179517776, 224397220, 448794440, 897588880]

約数ペア:

[(1, 897588880), (2, 448794440), (4, 224397220), (5, 179517776), (8, 112198610), (10, 89758888), (16, 56099305), (19, 47241520), (20, 44879444), (31, 28954480), (38, 23620760), (40, 22439722), (43, 20874160), (62, 14477240), (76, 11810380), (80, 11219861), (86, 10437080), (95, 9448304), (124, 7238620), (152, 5905190), (155, 5790896), (172, 5218540), (190, 4724152), (215, 4174832), (248, 3619310), (304, 2952595), (310, 2895448), (344, 2609270), (380, 2362076), (430, 2087416), (443, 2026160), (496, 1809655), (589, 1523920), (620, 1447724), (688, 1304635), (760, 1181038), (817, 1098640), (860, 1043708), (886, 1013080), (1178, 761960), (1240, 723862), (1333, 673360), (1520, 590519), (1634, 549320), (1720, 521854), (1772, 506540), (2215, 405232), (2356, 380980), (2480, 361931), (2666, 336680), (2945, 304784), (3268, 274660), (3440, 260927), (3544, 253270), (4085, 219728), (4430, 202616), (4712, 190490), (5332, 168340), (5890, 152392), (6536, 137330), (6665, 134672), (7088, 126635), (8170, 109864), (8417, 106640), (8860, 101308), (9424, 95245), (10664, 84170), (11780, 76196), (13072, 68665), (13330, 67336), (13733, 65360), (16340, 54932), (16834, 53320), (17720, 50654), (19049, 47120), (21328, 42085), (23560, 38098), (25327, 35440), (26660, 33668), (27466, 32680)]