201538940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{727}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 431488512

約数和(自身を除く): 229949572

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 167, 332, 334, 415, 668, 727, 830, 835, 1454, 1660, 1670, 2908, 3340, 3635, 7270, 13861, 14540, 27722, 55444, 60341, 69305, 120682, 121409, 138610, 241364, 242818, 277220, 301705, 485636, 603410, 607045, 1206820, 1214090, 2428180, 10076947, 20153894, 40307788, 50384735, 100769470, 201538940]

約数ペア:

[(1, 201538940), (2, 100769470), (4, 50384735), (5, 40307788), (10, 20153894), (20, 10076947), (83, 2428180), (166, 1214090), (167, 1206820), (332, 607045), (334, 603410), (415, 485636), (668, 301705), (727, 277220), (830, 242818), (835, 241364), (1454, 138610), (1660, 121409), (1670, 120682), (2908, 69305), (3340, 60341), (3635, 55444), (7270, 27722), (13861, 14540)]