390052980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2166961}}^1$

素因数の和:2166976

約数の個数: 36

約数和(自身を含む): 1183161252

約数和(自身を除く): 793108272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2166961, 4333922, 6500883, 8667844, 10834805, 13001766, 19502649, 21669610, 26003532, 32504415, 39005298, 43339220, 65008830, 78010596, 97513245, 130017660, 195026490, 390052980]

約数ペア:

[(1, 390052980), (2, 195026490), (3, 130017660), (4, 97513245), (5, 78010596), (6, 65008830), (9, 43339220), (10, 39005298), (12, 32504415), (15, 26003532), (18, 21669610), (20, 19502649), (30, 13001766), (36, 10834805), (45, 8667844), (60, 6500883), (90, 4333922), (180, 2166961)]