209416670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{29789}}^1$

素因数の和:29852

約数の個数: 32

約数和(自身を含む): 407527200

約数和(自身を除く): 198110530

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 29789, 59578, 148945, 297890, 565991, 1102193, 1131982, 2204386, 2829955, 5510965, 5659910, 11021930, 20941667, 41883334, 104708335, 209416670]

約数ペア:

[(1, 209416670), (2, 104708335), (5, 41883334), (10, 20941667), (19, 11021930), (37, 5659910), (38, 5510965), (74, 2829955), (95, 2204386), (185, 1131982), (190, 1102193), (370, 565991), (703, 297890), (1406, 148945), (3515, 59578), (7030, 29789)]