120891820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 297047520

約数和(自身を除く): 176155700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 439, 490, 562, 878, 980, 1124, 1405, 1756, 1967, 2195, 2810, 3073, 3934, 4390, 5620, 6146, 7868, 8780, 9835, 12292, 13769, 15365, 19670, 21511, 27538, 30730, 39340, 43022, 55076, 61460, 68845, 86044, 107555, 123359, 137690, 215110, 246718, 275380, 430220, 493436, 616795, 863513, 1233590, 1727026, 2467180, 3454052, 4317565, 6044591, 8635130, 12089182, 17270260, 24178364, 30222955, 60445910, 120891820]

約数ペア:

[(1, 120891820), (2, 60445910), (4, 30222955), (5, 24178364), (7, 17270260), (10, 12089182), (14, 8635130), (20, 6044591), (28, 4317565), (35, 3454052), (49, 2467180), (70, 1727026), (98, 1233590), (140, 863513), (196, 616795), (245, 493436), (281, 430220), (439, 275380), (490, 246718), (562, 215110), (878, 137690), (980, 123359), (1124, 107555), (1405, 86044), (1756, 68845), (1967, 61460), (2195, 55076), (2810, 43022), (3073, 39340), (3934, 30730), (4390, 27538), (5620, 21511), (6146, 19670), (7868, 15365), (8780, 13769), (9835, 12292)]