398507040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 240

約数和(自身を含む): 1425379032

約数和(自身を除く): 1026871992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 194, 216, 240, 270, 288, 291, 317, 324, 360, 388, 405, 432, 480, 485, 540, 582, 634, 648, 720, 776, 810, 864, 873, 951, 970, 1080, 1164, 1268, 1296, 1440, 1455, 1552, 1585, 1620, 1746, 1902, 1940, 2160, 2328, 2536, 2592, 2619, 2853, 2910, 3104, 3170, 3240, 3492, 3804, 3880, 4320, 4365, 4656, 4755, 5072, 5238, 5706, 5820, 6340, 6480, 6984, 7608, 7760, 7857, 8559, 8730, 9312, 9510, 10144, 10476, 11412, 11640, 12680, 12960, 13095, 13968, 14265, 15216, 15520, 15714, 17118, 17460, 19020, 20952, 22824, 23280, 25360, 25677, 26190, 27936, 28530, 30432, 30749, 31428, 34236, 34920, 38040, 39285, 41904, 42795, 45648, 46560, 50720, 51354, 52380, 57060, 61498, 62856, 68472, 69840, 76080, 78570, 83808, 85590, 91296, 92247, 102708, 104760, 114120, 122996, 125712, 128385, 136944, 139680, 152160, 153745, 157140, 171180, 184494, 205416, 209520, 228240, 245992, 251424, 256770, 273888, 276741, 307490, 314280, 342360, 368988, 410832, 419040, 456480, 461235, 491984, 513540, 553482, 614980, 628560, 684720, 737976, 821664, 830223, 922470, 983968, 1027080, 1106964, 1229960, 1257120, 1369440, 1383705, 1475952, 1660446, 1844940, 2054160, 2213928, 2459920, 2490669, 2767410, 2951904, 3320892, 3689880, 4108320, 4151115, 4427856, 4919840, 4981338, 5534820, 6641784, 7379760, 8302230, 8855712, 9962676, 11069640, 12453345, 13283568, 14759520, 16604460, 19925352, 22139280, 24906690, 26567136, 33208920, 39850704, 44278560, 49813380, 66417840, 79701408, 99626760, 132835680, 199253520, 398507040]

約数ペア:

[(1, 398507040), (2, 199253520), (3, 132835680), (4, 99626760), (5, 79701408), (6, 66417840), (8, 49813380), (9, 44278560), (10, 39850704), (12, 33208920), (15, 26567136), (16, 24906690), (18, 22139280), (20, 19925352), (24, 16604460), (27, 14759520), (30, 13283568), (32, 12453345), (36, 11069640), (40, 9962676), (45, 8855712), (48, 8302230), (54, 7379760), (60, 6641784), (72, 5534820), (80, 4981338), (81, 4919840), (90, 4427856), (96, 4151115), (97, 4108320), (108, 3689880), (120, 3320892), (135, 2951904), (144, 2767410), (160, 2490669), (162, 2459920), (180, 2213928), (194, 2054160), (216, 1844940), (240, 1660446), (270, 1475952), (288, 1383705), (291, 1369440), (317, 1257120), (324, 1229960), (360, 1106964), (388, 1027080), (405, 983968), (432, 922470), (480, 830223), (485, 821664), (540, 737976), (582, 684720), (634, 628560), (648, 614980), (720, 553482), (776, 513540), (810, 491984), (864, 461235), (873, 456480), (951, 419040), (970, 410832), (1080, 368988), (1164, 342360), (1268, 314280), (1296, 307490), (1440, 276741), (1455, 273888), (1552, 256770), (1585, 251424), (1620, 245992), (1746, 228240), (1902, 209520), (1940, 205416), (2160, 184494), (2328, 171180), (2536, 157140), (2592, 153745), (2619, 152160), (2853, 139680), (2910, 136944), (3104, 128385), (3170, 125712), (3240, 122996), (3492, 114120), (3804, 104760), (3880, 102708), (4320, 92247), (4365, 91296), (4656, 85590), (4755, 83808), (5072, 78570), (5238, 76080), (5706, 69840), (5820, 68472), (6340, 62856), (6480, 61498), (6984, 57060), (7608, 52380), (7760, 51354), (7857, 50720), (8559, 46560), (8730, 45648), (9312, 42795), (9510, 41904), (10144, 39285), (10476, 38040), (11412, 34920), (11640, 34236), (12680, 31428), (12960, 30749), (13095, 30432), (13968, 28530), (14265, 27936), (15216, 26190), (15520, 25677), (15714, 25360), (17118, 23280), (17460, 22824), (19020, 20952)]