83198780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1453}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 200303040

約数和(自身を除く): 117104260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1453, 1636, 2045, 2863, 2906, 4090, 5726, 5812, 7265, 8180, 10171, 11452, 14315, 14530, 20342, 28630, 29060, 40684, 50855, 57260, 101710, 203420, 594277, 1188554, 2377108, 2971385, 4159939, 5942770, 8319878, 11885540, 16639756, 20799695, 41599390, 83198780]

約数ペア:

[(1, 83198780), (2, 41599390), (4, 20799695), (5, 16639756), (7, 11885540), (10, 8319878), (14, 5942770), (20, 4159939), (28, 2971385), (35, 2377108), (70, 1188554), (140, 594277), (409, 203420), (818, 101710), (1453, 57260), (1636, 50855), (2045, 40684), (2863, 29060), (2906, 28630), (4090, 20342), (5726, 14530), (5812, 14315), (7265, 11452), (8180, 10171)]