199855980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1110311}}^1$

素因数の和:1110326

約数の個数: 36

約数和(自身を含む): 606230352

約数和(自身を除く): 406374372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1110311, 2220622, 3330933, 4441244, 5551555, 6661866, 9992799, 11103110, 13323732, 16654665, 19985598, 22206220, 33309330, 39971196, 49963995, 66618660, 99927990, 199855980]

約数ペア:

[(1, 199855980), (2, 99927990), (3, 66618660), (4, 49963995), (5, 39971196), (6, 33309330), (9, 22206220), (10, 19985598), (12, 16654665), (15, 13323732), (18, 11103110), (20, 9992799), (30, 6661866), (36, 5551555), (45, 4441244), (60, 3330933), (90, 2220622), (180, 1110311)]