163994460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390463}}^1$

素因数の和:390482

約数の個数: 48

約数和(自身を含む): 524783616

約数和(自身を除く): 360789156

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, 390463, 780926, 1171389, 1561852, 1952315, 2342778, 2733241, 3904630, 4685556, 5466482, 5856945, 7809260, 8199723, 10932964, 11713890, 13666205, 16399446, 23427780, 27332410, 32798892, 40998615, 54664820, 81997230, 163994460]

約数ペア:

[(1, 163994460), (2, 81997230), (3, 54664820), (4, 40998615), (5, 32798892), (6, 27332410), (7, 23427780), (10, 16399446), (12, 13666205), (14, 11713890), (15, 10932964), (20, 8199723), (21, 7809260), (28, 5856945), (30, 5466482), (35, 4685556), (42, 3904630), (60, 2733241), (70, 2342778), (84, 1952315), (105, 1561852), (140, 1171389), (210, 780926), (420, 390463)]