311916340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{39887}}^1$

素因数の和:39936

約数の個数: 48

約数和(自身を含む): 723727872

約数和(自身を除く): 411811532

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 39887, 79774, 159548, 199435, 398870, 678079, 797740, 917401, 1356158, 1834802, 2712316, 3390395, 3669604, 4587005, 6780790, 9174010, 13561580, 15595817, 18348020, 31191634, 62383268, 77979085, 155958170, 311916340]

約数ペア:

[(1, 311916340), (2, 155958170), (4, 77979085), (5, 62383268), (10, 31191634), (17, 18348020), (20, 15595817), (23, 13561580), (34, 9174010), (46, 6780790), (68, 4587005), (85, 3669604), (92, 3390395), (115, 2712316), (170, 1834802), (230, 1356158), (340, 917401), (391, 797740), (460, 678079), (782, 398870), (1564, 199435), (1955, 159548), (3910, 79774), (7820, 39887)]