254403520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:990

約数の個数: 112

約数和(自身を含む): 698235840

約数和(自身を除く): 443832320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 274, 280, 320, 448, 548, 560, 685, 829, 959, 1096, 1120, 1370, 1658, 1918, 2192, 2240, 2740, 3316, 3836, 4145, 4384, 4795, 5480, 5803, 6632, 7672, 8290, 8768, 9590, 10960, 11606, 13264, 15344, 16580, 19180, 21920, 23212, 26528, 29015, 30688, 33160, 38360, 43840, 46424, 53056, 58030, 61376, 66320, 76720, 92848, 113573, 116060, 132640, 153440, 185696, 227146, 232120, 265280, 306880, 371392, 454292, 464240, 567865, 795011, 908584, 928480, 1135730, 1590022, 1817168, 1856960, 2271460, 3180044, 3634336, 3975055, 4542920, 6360088, 7268672, 7950110, 9085840, 12720176, 15900220, 18171680, 25440352, 31800440, 36343360, 50880704, 63600880, 127201760, 254403520]

約数ペア:

[(1, 254403520), (2, 127201760), (4, 63600880), (5, 50880704), (7, 36343360), (8, 31800440), (10, 25440352), (14, 18171680), (16, 15900220), (20, 12720176), (28, 9085840), (32, 7950110), (35, 7268672), (40, 6360088), (56, 4542920), (64, 3975055), (70, 3634336), (80, 3180044), (112, 2271460), (137, 1856960), (140, 1817168), (160, 1590022), (224, 1135730), (274, 928480), (280, 908584), (320, 795011), (448, 567865), (548, 464240), (560, 454292), (685, 371392), (829, 306880), (959, 265280), (1096, 232120), (1120, 227146), (1370, 185696), (1658, 153440), (1918, 132640), (2192, 116060), (2240, 113573), (2740, 92848), (3316, 76720), (3836, 66320), (4145, 61376), (4384, 58030), (4795, 53056), (5480, 46424), (5803, 43840), (6632, 38360), (7672, 33160), (8290, 30688), (8768, 29015), (9590, 26528), (10960, 23212), (11606, 21920), (13264, 19180), (15344, 16580)]