11207980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 27095040

約数和(自身を除く): 15887060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 359, 446, 718, 892, 1115, 1436, 1561, 1795, 2230, 2513, 3122, 3590, 4460, 5026, 6244, 7180, 7805, 10052, 12565, 15610, 25130, 31220, 50260, 80057, 160114, 320228, 400285, 560399, 800570, 1120798, 1601140, 2241596, 2801995, 5603990, 11207980]

約数ペア:

[(1, 11207980), (2, 5603990), (4, 2801995), (5, 2241596), (7, 1601140), (10, 1120798), (14, 800570), (20, 560399), (28, 400285), (35, 320228), (70, 160114), (140, 80057), (223, 50260), (359, 31220), (446, 25130), (718, 15610), (892, 12565), (1115, 10052), (1436, 7805), (1561, 7180), (1795, 6244), (2230, 5026), (2513, 4460), (3122, 3590)]