399782448

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 1258933312

約数和(自身を除く): 859150864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 83, 93, 104, 117, 124, 144, 156, 166, 186, 208, 234, 248, 249, 279, 312, 332, 372, 403, 468, 496, 498, 558, 624, 664, 744, 747, 806, 936, 996, 1079, 1116, 1209, 1328, 1488, 1494, 1612, 1872, 1992, 2158, 2232, 2418, 2573, 2988, 3224, 3237, 3627, 3984, 4316, 4464, 4836, 5146, 5976, 6448, 6474, 6889, 7254, 7719, 8632, 9672, 9711, 10292, 11952, 12948, 13778, 14508, 15438, 17264, 19344, 19422, 20584, 20667, 23157, 25896, 27556, 29016, 30876, 33449, 38844, 41168, 41334, 46314, 51792, 55112, 58032, 61752, 62001, 66898, 77688, 82668, 89557, 92628, 100347, 110224, 123504, 124002, 133796, 155376, 165336, 179114, 185256, 200694, 213559, 248004, 267592, 268671, 301041, 330672, 358228, 370512, 401388, 427118, 496008, 535184, 537342, 602082, 640677, 716456, 802776, 806013, 854236, 992016, 1074684, 1204164, 1281354, 1432912, 1605552, 1612026, 1708472, 1922031, 2149368, 2408328, 2562708, 2776267, 3224052, 3416944, 3844062, 4298736, 4816656, 5125416, 5552534, 6448104, 7688124, 8328801, 10250832, 11105068, 12896208, 15376248, 16657602, 22210136, 24986403, 30752496, 33315204, 44420272, 49972806, 66630408, 99945612, 133260816, 199891224, 399782448]

約数ペア:

[(1, 399782448), (2, 199891224), (3, 133260816), (4, 99945612), (6, 66630408), (8, 49972806), (9, 44420272), (12, 33315204), (13, 30752496), (16, 24986403), (18, 22210136), (24, 16657602), (26, 15376248), (31, 12896208), (36, 11105068), (39, 10250832), (48, 8328801), (52, 7688124), (62, 6448104), (72, 5552534), (78, 5125416), (83, 4816656), (93, 4298736), (104, 3844062), (117, 3416944), (124, 3224052), (144, 2776267), (156, 2562708), (166, 2408328), (186, 2149368), (208, 1922031), (234, 1708472), (248, 1612026), (249, 1605552), (279, 1432912), (312, 1281354), (332, 1204164), (372, 1074684), (403, 992016), (468, 854236), (496, 806013), (498, 802776), (558, 716456), (624, 640677), (664, 602082), (744, 537342), (747, 535184), (806, 496008), (936, 427118), (996, 401388), (1079, 370512), (1116, 358228), (1209, 330672), (1328, 301041), (1488, 268671), (1494, 267592), (1612, 248004), (1872, 213559), (1992, 200694), (2158, 185256), (2232, 179114), (2418, 165336), (2573, 155376), (2988, 133796), (3224, 124002), (3237, 123504), (3627, 110224), (3984, 100347), (4316, 92628), (4464, 89557), (4836, 82668), (5146, 77688), (5976, 66898), (6448, 62001), (6474, 61752), (6889, 58032), (7254, 55112), (7719, 51792), (8632, 46314), (9672, 41334), (9711, 41168), (10292, 38844), (11952, 33449), (12948, 30876), (13778, 29016), (14508, 27556), (15438, 25896), (17264, 23157), (19344, 20667), (19422, 20584)]