2801425930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 5390012160

約数和(自身を除く): 2588586230

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 257, 514, 515, 557, 1030, 1114, 1285, 1957, 2570, 2785, 3914, 4883, 5570, 9766, 9785, 10583, 19570, 21166, 24415, 26471, 48830, 52915, 52942, 57371, 105830, 114742, 132355, 143149, 264710, 286298, 286855, 502949, 573710, 715745, 1005898, 1090049, 1431490, 2180098, 2514745, 2719831, 5029490, 5439662, 5450245, 10900490, 13599155, 14744347, 27198310, 29488694, 73721735, 147443470, 280142593, 560285186, 1400712965, 2801425930]

約数ペア:

[(1, 2801425930), (2, 1400712965), (5, 560285186), (10, 280142593), (19, 147443470), (38, 73721735), (95, 29488694), (103, 27198310), (190, 14744347), (206, 13599155), (257, 10900490), (514, 5450245), (515, 5439662), (557, 5029490), (1030, 2719831), (1114, 2514745), (1285, 2180098), (1957, 1431490), (2570, 1090049), (2785, 1005898), (3914, 715745), (4883, 573710), (5570, 502949), (9766, 286855), (9785, 286298), (10583, 264710), (19570, 143149), (21166, 132355), (24415, 114742), (26471, 105830), (48830, 57371), (52915, 52942)]