131976800

素因数分解:

$2^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1048

約数の個数: 72

約数和(自身を含む): 324198000

約数和(自身を除く): 192221200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 199, 200, 398, 400, 796, 800, 829, 995, 1592, 1658, 1990, 3184, 3316, 3980, 4145, 4975, 6368, 6632, 7960, 8290, 9950, 13264, 15920, 16580, 19900, 20725, 26528, 31840, 33160, 39800, 41450, 66320, 79600, 82900, 132640, 159200, 164971, 165800, 329942, 331600, 659884, 663200, 824855, 1319768, 1649710, 2639536, 3299420, 4124275, 5279072, 6598840, 8248550, 13197680, 16497100, 26395360, 32994200, 65988400, 131976800]

約数ペア:

[(1, 131976800), (2, 65988400), (4, 32994200), (5, 26395360), (8, 16497100), (10, 13197680), (16, 8248550), (20, 6598840), (25, 5279072), (32, 4124275), (40, 3299420), (50, 2639536), (80, 1649710), (100, 1319768), (160, 824855), (199, 663200), (200, 659884), (398, 331600), (400, 329942), (796, 165800), (800, 164971), (829, 159200), (995, 132640), (1592, 82900), (1658, 79600), (1990, 66320), (3184, 41450), (3316, 39800), (3980, 33160), (4145, 31840), (4975, 26528), (6368, 20725), (6632, 19900), (7960, 16580), (8290, 15920), (9950, 13264)]