74452980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177269}}^1$

素因数の和:177288

約数の個数: 48

約数和(自身を含む): 238250880

約数和(自身を除く): 163797900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 177269, 354538, 531807, 709076, 886345, 1063614, 1240883, 1772690, 2127228, 2481766, 2659035, 3545380, 3722649, 4963532, 5318070, 6204415, 7445298, 10636140, 12408830, 14890596, 18613245, 24817660, 37226490, 74452980]

約数ペア:

[(1, 74452980), (2, 37226490), (3, 24817660), (4, 18613245), (5, 14890596), (6, 12408830), (7, 10636140), (10, 7445298), (12, 6204415), (14, 5318070), (15, 4963532), (20, 3722649), (21, 3545380), (28, 2659035), (30, 2481766), (35, 2127228), (42, 1772690), (60, 1240883), (70, 1063614), (84, 886345), (105, 709076), (140, 531807), (210, 354538), (420, 177269)]