142305820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 316461600

約数和(自身を除く): 174155780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 2069, 3439, 3620, 4138, 6878, 8276, 10345, 13756, 17195, 20690, 34390, 39311, 41380, 68780, 78622, 157244, 196555, 374489, 393110, 748978, 786220, 1497956, 1872445, 3744890, 7115291, 7489780, 14230582, 28461164, 35576455, 71152910, 142305820]

約数ペア:

[(1, 142305820), (2, 71152910), (4, 35576455), (5, 28461164), (10, 14230582), (19, 7489780), (20, 7115291), (38, 3744890), (76, 1872445), (95, 1497956), (181, 786220), (190, 748978), (362, 393110), (380, 374489), (724, 196555), (905, 157244), (1810, 78622), (2069, 68780), (3439, 41380), (3620, 39311), (4138, 34390), (6878, 20690), (8276, 17195), (10345, 13756)]