352380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 1128960

約数和(自身を除く): 776580

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, 839, 1678, 2517, 3356, 4195, 5034, 5873, 8390, 10068, 11746, 12585, 16780, 17619, 23492, 25170, 29365, 35238, 50340, 58730, 70476, 88095, 117460, 176190, 352380]

約数ペア:

[(1, 352380), (2, 176190), (3, 117460), (4, 88095), (5, 70476), (6, 58730), (7, 50340), (10, 35238), (12, 29365), (14, 25170), (15, 23492), (20, 17619), (21, 16780), (28, 12585), (30, 11746), (35, 10068), (42, 8390), (60, 5873), (70, 5034), (84, 4195), (105, 3356), (140, 2517), (210, 1678), (420, 839)]