198997020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{368513}}^1$

素因数の和:368531

約数の個数: 48

約数和(自身を含む): 619103520

約数和(自身を除く): 420106500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 368513, 737026, 1105539, 1474052, 1842565, 2211078, 3316617, 3685130, 4422156, 5527695, 6633234, 7370260, 9949851, 11055390, 13266468, 16583085, 19899702, 22110780, 33166170, 39799404, 49749255, 66332340, 99498510, 198997020]

約数ペア:

[(1, 198997020), (2, 99498510), (3, 66332340), (4, 49749255), (5, 39799404), (6, 33166170), (9, 22110780), (10, 19899702), (12, 16583085), (15, 13266468), (18, 11055390), (20, 9949851), (27, 7370260), (30, 6633234), (36, 5527695), (45, 4422156), (54, 3685130), (60, 3316617), (90, 2211078), (108, 1842565), (135, 1474052), (180, 1105539), (270, 737026), (540, 368513)]