196352920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{62137}}^1$

素因数の和:62227

約数の個数: 32

約数和(自身を含む): 447393600

約数和(自身を除く): 251040680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 62137, 124274, 248548, 310685, 497096, 621370, 1242740, 2485480, 4908823, 9817646, 19635292, 24544115, 39270584, 49088230, 98176460, 196352920]

約数ペア:

[(1, 196352920), (2, 98176460), (4, 49088230), (5, 39270584), (8, 24544115), (10, 19635292), (20, 9817646), (40, 4908823), (79, 2485480), (158, 1242740), (316, 621370), (395, 497096), (632, 310685), (790, 248548), (1580, 124274), (3160, 62137)]