213390880

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4261}}^1$

素因数の和:4589

約数の個数: 48

約数和(自身を含む): 505865304

約数和(自身を除く): 292474424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 2504, 3130, 4261, 5008, 6260, 8522, 10016, 12520, 17044, 21305, 25040, 34088, 42610, 50080, 68176, 85220, 136352, 170440, 340880, 681760, 1333693, 2667386, 5334772, 6668465, 10669544, 13336930, 21339088, 26673860, 42678176, 53347720, 106695440, 213390880]

約数ペア:

[(1, 213390880), (2, 106695440), (4, 53347720), (5, 42678176), (8, 26673860), (10, 21339088), (16, 13336930), (20, 10669544), (32, 6668465), (40, 5334772), (80, 2667386), (160, 1333693), (313, 681760), (626, 340880), (1252, 170440), (1565, 136352), (2504, 85220), (3130, 68176), (4261, 50080), (5008, 42610), (6260, 34088), (8522, 25040), (10016, 21305), (12520, 17044)]