199977990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{7039}}^1$

素因数の和:7996

約数の個数: 32

約数和(自身を含む): 480522240

約数和(自身を除く): 280544250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 947, 1894, 2841, 4735, 5682, 7039, 9470, 14078, 14205, 21117, 28410, 35195, 42234, 70390, 105585, 211170, 6665933, 13331866, 19997799, 33329665, 39995598, 66659330, 99988995, 199977990]

約数ペア:

[(1, 199977990), (2, 99988995), (3, 66659330), (5, 39995598), (6, 33329665), (10, 19997799), (15, 13331866), (30, 6665933), (947, 211170), (1894, 105585), (2841, 70390), (4735, 42234), (5682, 35195), (7039, 28410), (9470, 21117), (14078, 14205)]