212928520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108637}}^1$

素因数の和:108662

約数の個数: 48

約数和(自身を含む): 557312940

約数和(自身を除く): 344384420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 108637, 217274, 434548, 543185, 760459, 869096, 1086370, 1520918, 2172740, 3041836, 3802295, 4345480, 5323213, 6083672, 7604590, 10646426, 15209180, 21292852, 26616065, 30418360, 42585704, 53232130, 106464260, 212928520]

約数ペア:

[(1, 212928520), (2, 106464260), (4, 53232130), (5, 42585704), (7, 30418360), (8, 26616065), (10, 21292852), (14, 15209180), (20, 10646426), (28, 7604590), (35, 6083672), (40, 5323213), (49, 4345480), (56, 3802295), (70, 3041836), (98, 2172740), (140, 1520918), (196, 1086370), (245, 869096), (280, 760459), (392, 543185), (490, 434548), (980, 217274), (1960, 108637)]