216758960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{246317}}^1$

素因数の和:246341

約数の個数: 40

約数和(自身を含む): 549781776

約数和(自身を除く): 333022816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 246317, 492634, 985268, 1231585, 1970536, 2463170, 2709487, 3941072, 4926340, 5418974, 9852680, 10837948, 13547435, 19705360, 21675896, 27094870, 43351792, 54189740, 108379480, 216758960]

約数ペア:

[(1, 216758960), (2, 108379480), (4, 54189740), (5, 43351792), (8, 27094870), (10, 21675896), (11, 19705360), (16, 13547435), (20, 10837948), (22, 9852680), (40, 5418974), (44, 4926340), (55, 3941072), (80, 2709487), (88, 2463170), (110, 1970536), (176, 1231585), (220, 985268), (440, 492634), (880, 246317)]