157468700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 353623200

約数和(自身を除く): 196154500

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 193, 199, 205, 386, 398, 410, 772, 796, 820, 965, 995, 1025, 1930, 1990, 2050, 3860, 3980, 4100, 4825, 4975, 7913, 8159, 9650, 9950, 15826, 16318, 19300, 19900, 31652, 32636, 38407, 39565, 40795, 76814, 79130, 81590, 153628, 158260, 163180, 192035, 197825, 203975, 384070, 395650, 407950, 768140, 791300, 815900, 960175, 1574687, 1920350, 3149374, 3840700, 6298748, 7873435, 15746870, 31493740, 39367175, 78734350, 157468700]

約数ペア:

[(1, 157468700), (2, 78734350), (4, 39367175), (5, 31493740), (10, 15746870), (20, 7873435), (25, 6298748), (41, 3840700), (50, 3149374), (82, 1920350), (100, 1574687), (164, 960175), (193, 815900), (199, 791300), (205, 768140), (386, 407950), (398, 395650), (410, 384070), (772, 203975), (796, 197825), (820, 192035), (965, 163180), (995, 158260), (1025, 153628), (1930, 81590), (1990, 79130), (2050, 76814), (3860, 40795), (3980, 39565), (4100, 38407), (4825, 32636), (4975, 31652), (7913, 19900), (8159, 19300), (9650, 16318), (9950, 15826)]