201758140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 429811200

約数和(自身を除く): 228053060

約数列:

[1, 2, 4, 5, 10, 20, 163, 199, 311, 326, 398, 622, 652, 796, 815, 995, 1244, 1555, 1630, 1990, 3110, 3260, 3980, 6220, 32437, 50693, 61889, 64874, 101386, 123778, 129748, 162185, 202772, 247556, 253465, 309445, 324370, 506930, 618890, 648740, 1013860, 1237780, 10087907, 20175814, 40351628, 50439535, 100879070, 201758140]

約数ペア:

[(1, 201758140), (2, 100879070), (4, 50439535), (5, 40351628), (10, 20175814), (20, 10087907), (163, 1237780), (199, 1013860), (311, 648740), (326, 618890), (398, 506930), (622, 324370), (652, 309445), (796, 253465), (815, 247556), (995, 202772), (1244, 162185), (1555, 129748), (1630, 123778), (1990, 101386), (3110, 64874), (3260, 61889), (3980, 50693), (6220, 32437)]