219047840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124459}}^1$

素因数の和:124485

約数の個数: 48

約数和(自身を含む): 564550560

約数和(自身を除く): 345502720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 124459, 248918, 497836, 622295, 995672, 1244590, 1369049, 1991344, 2489180, 2738098, 3982688, 4978360, 5476196, 6845245, 9956720, 10952392, 13690490, 19913440, 21904784, 27380980, 43809568, 54761960, 109523920, 219047840]

約数ペア:

[(1, 219047840), (2, 109523920), (4, 54761960), (5, 43809568), (8, 27380980), (10, 21904784), (11, 19913440), (16, 13690490), (20, 10952392), (22, 9956720), (32, 6845245), (40, 5476196), (44, 4978360), (55, 3982688), (80, 2738098), (88, 2489180), (110, 1991344), (160, 1369049), (176, 1244590), (220, 995672), (352, 622295), (440, 497836), (880, 248918), (1760, 124459)]