196422920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{69163}}^1$

素因数の和:69245

約数の個数: 32

約数和(自身を含む): 448182720

約数和(自身を除く): 251759800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 69163, 138326, 276652, 345815, 553304, 691630, 1383260, 2766520, 4910573, 9821146, 19642292, 24552865, 39284584, 49105730, 98211460, 196422920]

約数ペア:

[(1, 196422920), (2, 98211460), (4, 49105730), (5, 39284584), (8, 24552865), (10, 19642292), (20, 9821146), (40, 4910573), (71, 2766520), (142, 1383260), (284, 691630), (355, 553304), (568, 345815), (710, 276652), (1420, 138326), (2840, 69163)]