218873460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280607}}^1$

素因数の和:280632

約数の個数: 48

約数和(自身を含む): 659990016

約数和(自身を除く): 441116556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 280607, 561214, 841821, 1122428, 1403035, 1683642, 2806070, 3367284, 3647891, 4209105, 5612140, 7295782, 8418210, 10943673, 14591564, 16836420, 18239455, 21887346, 36478910, 43774692, 54718365, 72957820, 109436730, 218873460]

約数ペア:

[(1, 218873460), (2, 109436730), (3, 72957820), (4, 54718365), (5, 43774692), (6, 36478910), (10, 21887346), (12, 18239455), (13, 16836420), (15, 14591564), (20, 10943673), (26, 8418210), (30, 7295782), (39, 5612140), (52, 4209105), (60, 3647891), (65, 3367284), (78, 2806070), (130, 1683642), (156, 1403035), (195, 1122428), (260, 841821), (390, 561214), (780, 280607)]