199367380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7187}}^1$

素因数の和:7288

約数の個数: 48

約数和(自身を含む): 446806080

約数和(自身を除く): 247438700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 7187, 13870, 14374, 27740, 28748, 35935, 71870, 136553, 143740, 273106, 524651, 546212, 682765, 1049302, 1365530, 2098604, 2623255, 2731060, 5246510, 9968369, 10493020, 19936738, 39873476, 49841845, 99683690, 199367380]

約数ペア:

[(1, 199367380), (2, 99683690), (4, 49841845), (5, 39873476), (10, 19936738), (19, 10493020), (20, 9968369), (38, 5246510), (73, 2731060), (76, 2623255), (95, 2098604), (146, 1365530), (190, 1049302), (292, 682765), (365, 546212), (380, 524651), (730, 273106), (1387, 143740), (1460, 136553), (2774, 71870), (5548, 35935), (6935, 28748), (7187, 27740), (13870, 14374)]