201918210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517739}}^1$

素因数の和:517762

約数の個数: 32

約数和(自身を含む): 521881920

約数和(自身を除く): 319963710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517739, 1035478, 1553217, 2588695, 3106434, 5177390, 6730607, 7766085, 13461214, 15532170, 20191821, 33653035, 40383642, 67306070, 100959105, 201918210]

約数ペア:

[(1, 201918210), (2, 100959105), (3, 67306070), (5, 40383642), (6, 33653035), (10, 20191821), (13, 15532170), (15, 13461214), (26, 7766085), (30, 6730607), (39, 5177390), (65, 3106434), (78, 2588695), (130, 1553217), (195, 1035478), (390, 517739)]