220172820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{524221}}^1$

素因数の和:524240

約数の個数: 48

約数和(自身を含む): 704554368

約数和(自身を除く): 484381548

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, 524221, 1048442, 1572663, 2096884, 2621105, 3145326, 3669547, 5242210, 6290652, 7339094, 7863315, 10484420, 11008641, 14678188, 15726630, 18347735, 22017282, 31453260, 36695470, 44034564, 55043205, 73390940, 110086410, 220172820]

約数ペア:

[(1, 220172820), (2, 110086410), (3, 73390940), (4, 55043205), (5, 44034564), (6, 36695470), (7, 31453260), (10, 22017282), (12, 18347735), (14, 15726630), (15, 14678188), (20, 11008641), (21, 10484420), (28, 7863315), (30, 7339094), (35, 6290652), (42, 5242210), (60, 3669547), (70, 3145326), (84, 2621105), (105, 2096884), (140, 1572663), (210, 1048442), (420, 524221)]