289388260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{2269}}^1$

素因数の和:3196

約数の個数: 48

約数和(自身を含む): 695600640

約数和(自身を除く): 406212380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911, 1822, 2269, 3644, 4538, 4555, 6377, 9076, 9110, 11345, 12754, 15883, 18220, 22690, 25508, 31766, 31885, 45380, 63532, 63770, 79415, 127540, 158830, 317660, 2067059, 4134118, 8268236, 10335295, 14469413, 20670590, 28938826, 41341180, 57877652, 72347065, 144694130, 289388260]

約数ペア:

[(1, 289388260), (2, 144694130), (4, 72347065), (5, 57877652), (7, 41341180), (10, 28938826), (14, 20670590), (20, 14469413), (28, 10335295), (35, 8268236), (70, 4134118), (140, 2067059), (911, 317660), (1822, 158830), (2269, 127540), (3644, 79415), (4538, 63770), (4555, 63532), (6377, 45380), (9076, 31885), (9110, 31766), (11345, 25508), (12754, 22690), (15883, 18220)]