249675520

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 603020880

約数和(自身を除く): 353345360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 524, 640, 655, 1048, 1280, 1310, 1489, 2096, 2620, 2978, 4192, 5240, 5956, 7445, 8384, 10480, 11912, 14890, 16768, 20960, 23824, 29780, 33536, 41920, 47648, 59560, 83840, 95296, 119120, 167680, 190592, 195059, 238240, 381184, 390118, 476480, 780236, 952960, 975295, 1560472, 1905920, 1950590, 3120944, 3901180, 6241888, 7802360, 12483776, 15604720, 24967552, 31209440, 49935104, 62418880, 124837760, 249675520]

約数ペア:

[(1, 249675520), (2, 124837760), (4, 62418880), (5, 49935104), (8, 31209440), (10, 24967552), (16, 15604720), (20, 12483776), (32, 7802360), (40, 6241888), (64, 3901180), (80, 3120944), (128, 1950590), (131, 1905920), (160, 1560472), (256, 975295), (262, 952960), (320, 780236), (524, 476480), (640, 390118), (655, 381184), (1048, 238240), (1280, 195059), (1310, 190592), (1489, 167680), (2096, 119120), (2620, 95296), (2978, 83840), (4192, 59560), (5240, 47648), (5956, 41920), (7445, 33536), (8384, 29780), (10480, 23824), (11912, 20960), (14890, 16768)]