218078910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{49451}}^1$

素因数の和:49478

約数の個数: 72

約数和(自身を含む): 659590776

約数和(自身を除く): 441511866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 49451, 98902, 148353, 247255, 296706, 346157, 445059, 494510, 692314, 741765, 890118, 1038471, 1483530, 1730785, 2076942, 2225295, 2423099, 3115413, 3461570, 4450590, 4846198, 5192355, 6230826, 7269297, 10384710, 12115495, 14538594, 15577065, 21807891, 24230990, 31154130, 36346485, 43615782, 72692970, 109039455, 218078910]

約数ペア:

[(1, 218078910), (2, 109039455), (3, 72692970), (5, 43615782), (6, 36346485), (7, 31154130), (9, 24230990), (10, 21807891), (14, 15577065), (15, 14538594), (18, 12115495), (21, 10384710), (30, 7269297), (35, 6230826), (42, 5192355), (45, 4846198), (49, 4450590), (63, 3461570), (70, 3115413), (90, 2423099), (98, 2225295), (105, 2076942), (126, 1730785), (147, 1483530), (210, 1038471), (245, 890118), (294, 741765), (315, 692314), (441, 494510), (490, 445059), (630, 346157), (735, 296706), (882, 247255), (1470, 148353), (2205, 98902), (4410, 49451)]