1990057896

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:837

約数の個数: 160

約数和(自身を含む): 5799636480

約数和(自身を除く): 3809578584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 157, 162, 186, 216, 248, 279, 314, 324, 372, 471, 558, 628, 631, 648, 744, 837, 942, 1116, 1256, 1262, 1413, 1674, 1884, 1893, 2232, 2511, 2524, 2826, 3348, 3768, 3786, 4239, 4867, 5022, 5048, 5652, 5679, 6696, 7572, 8478, 9734, 10044, 11304, 11358, 12717, 14601, 15144, 16956, 17037, 19468, 19561, 20088, 22716, 25434, 29202, 33912, 34074, 38936, 39122, 43803, 45432, 50868, 51111, 58404, 58683, 68148, 78244, 87606, 99067, 101736, 102222, 116808, 117366, 131409, 136296, 156488, 175212, 176049, 198134, 204444, 234732, 262818, 297201, 350424, 352098, 394227, 396268, 408888, 469464, 525636, 528147, 594402, 704196, 788454, 792536, 891603, 1051272, 1056294, 1188804, 1408392, 1576908, 1584441, 1783206, 2112588, 2377608, 2674809, 3071077, 3153816, 3168882, 3566412, 4225176, 5349618, 6142154, 6337764, 7132824, 8024427, 9213231, 10699236, 12284308, 12675528, 16048854, 18426462, 21398472, 24568616, 27639693, 32097708, 36852924, 55279386, 64195416, 73705848, 82919079, 110558772, 165838158, 221117544, 248757237, 331676316, 497514474, 663352632, 995028948, 1990057896]

約数ペア:

[(1, 1990057896), (2, 995028948), (3, 663352632), (4, 497514474), (6, 331676316), (8, 248757237), (9, 221117544), (12, 165838158), (18, 110558772), (24, 82919079), (27, 73705848), (31, 64195416), (36, 55279386), (54, 36852924), (62, 32097708), (72, 27639693), (81, 24568616), (93, 21398472), (108, 18426462), (124, 16048854), (157, 12675528), (162, 12284308), (186, 10699236), (216, 9213231), (248, 8024427), (279, 7132824), (314, 6337764), (324, 6142154), (372, 5349618), (471, 4225176), (558, 3566412), (628, 3168882), (631, 3153816), (648, 3071077), (744, 2674809), (837, 2377608), (942, 2112588), (1116, 1783206), (1256, 1584441), (1262, 1576908), (1413, 1408392), (1674, 1188804), (1884, 1056294), (1893, 1051272), (2232, 891603), (2511, 792536), (2524, 788454), (2826, 704196), (3348, 594402), (3768, 528147), (3786, 525636), (4239, 469464), (4867, 408888), (5022, 396268), (5048, 394227), (5652, 352098), (5679, 350424), (6696, 297201), (7572, 262818), (8478, 234732), (9734, 204444), (10044, 198134), (11304, 176049), (11358, 175212), (12717, 156488), (14601, 136296), (15144, 131409), (16956, 117366), (17037, 116808), (19468, 102222), (19561, 101736), (20088, 99067), (22716, 87606), (25434, 78244), (29202, 68148), (33912, 58683), (34074, 58404), (38936, 51111), (39122, 50868), (43803, 45432)]