38894980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 87212160

約数和(自身を除く): 48317180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 823, 1390, 1646, 2363, 2780, 3292, 4115, 4726, 8230, 9452, 11815, 13991, 16460, 23630, 27982, 47260, 55964, 69955, 114397, 139910, 228794, 279820, 457588, 571985, 1143970, 1944749, 2287940, 3889498, 7778996, 9723745, 19447490, 38894980]

約数ペア:

[(1, 38894980), (2, 19447490), (4, 9723745), (5, 7778996), (10, 3889498), (17, 2287940), (20, 1944749), (34, 1143970), (68, 571985), (85, 457588), (139, 279820), (170, 228794), (278, 139910), (340, 114397), (556, 69955), (695, 55964), (823, 47260), (1390, 27982), (1646, 23630), (2363, 16460), (2780, 13991), (3292, 11815), (4115, 9452), (4726, 8230)]