1217849800

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{28859}}^1$

素因数の和:29086

約数の個数: 48

約数和(自身を含む): 2845018800

約数和(自身を除く): 1627169000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1688, 2110, 4220, 5275, 8440, 10550, 21100, 28859, 42200, 57718, 115436, 144295, 230872, 288590, 577180, 721475, 1154360, 1442950, 2885900, 5771800, 6089249, 12178498, 24356996, 30446245, 48713992, 60892490, 121784980, 152231225, 243569960, 304462450, 608924900, 1217849800]

約数ペア:

[(1, 1217849800), (2, 608924900), (4, 304462450), (5, 243569960), (8, 152231225), (10, 121784980), (20, 60892490), (25, 48713992), (40, 30446245), (50, 24356996), (100, 12178498), (200, 6089249), (211, 5771800), (422, 2885900), (844, 1442950), (1055, 1154360), (1688, 721475), (2110, 577180), (4220, 288590), (5275, 230872), (8440, 144295), (10550, 115436), (21100, 57718), (28859, 42200)]