30221320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7789}}^1$

素因数の和:7897

約数の個数: 32

約数和(自身を含む): 68707800

約数和(自身を除く): 38486480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7789, 15578, 31156, 38945, 62312, 77890, 155780, 311560, 755533, 1511066, 3022132, 3777665, 6044264, 7555330, 15110660, 30221320]

約数ペア:

[(1, 30221320), (2, 15110660), (4, 7555330), (5, 6044264), (8, 3777665), (10, 3022132), (20, 1511066), (40, 755533), (97, 311560), (194, 155780), (388, 77890), (485, 62312), (776, 38945), (970, 31156), (1940, 15578), (3880, 7789)]