308735940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{270821}}^1$

素因数の和:270852

約数の個数: 48

約数和(自身を含む): 909961920

約数和(自身を除く): 601225980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 270821, 541642, 812463, 1083284, 1354105, 1624926, 2708210, 3249852, 4062315, 5145599, 5416420, 8124630, 10291198, 15436797, 16249260, 20582396, 25727995, 30873594, 51455990, 61747188, 77183985, 102911980, 154367970, 308735940]

約数ペア:

[(1, 308735940), (2, 154367970), (3, 102911980), (4, 77183985), (5, 61747188), (6, 51455990), (10, 30873594), (12, 25727995), (15, 20582396), (19, 16249260), (20, 15436797), (30, 10291198), (38, 8124630), (57, 5416420), (60, 5145599), (76, 4062315), (95, 3249852), (114, 2708210), (190, 1624926), (228, 1354105), (285, 1083284), (380, 812463), (570, 541642), (1140, 270821)]