145773880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{520621}}^1$

素因数の和:520639

約数の個数: 32

約数和(自身を含む): 374847840

約数和(自身を除く): 229073960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 520621, 1041242, 2082484, 2603105, 3644347, 4164968, 5206210, 7288694, 10412420, 14577388, 18221735, 20824840, 29154776, 36443470, 72886940, 145773880]

約数ペア:

[(1, 145773880), (2, 72886940), (4, 36443470), (5, 29154776), (7, 20824840), (8, 18221735), (10, 14577388), (14, 10412420), (20, 7288694), (28, 5206210), (35, 4164968), (40, 3644347), (56, 2603105), (70, 2082484), (140, 1041242), (280, 520621)]