203697290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{5081}}^1$

素因数の和:5318

約数の個数: 32

約数和(自身を含む): 387858240

約数和(自身を除く): 184160950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 5081, 8018, 10162, 20045, 25405, 40090, 50810, 96539, 193078, 482695, 965390, 1072091, 2144182, 5360455, 10720910, 20369729, 40739458, 101848645, 203697290]

約数ペア:

[(1, 203697290), (2, 101848645), (5, 40739458), (10, 20369729), (19, 10720910), (38, 5360455), (95, 2144182), (190, 1072091), (211, 965390), (422, 482695), (1055, 193078), (2110, 96539), (4009, 50810), (5081, 40090), (8018, 25405), (10162, 20045)]