211728780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61909}}^1$

素因数の和:61943

約数の個数: 72

約数和(自身を含む): 676057200

約数和(自身を除く): 464328420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 61909, 123818, 185727, 247636, 309545, 371454, 557181, 619090, 742908, 928635, 1114362, 1176271, 1238180, 1857270, 2228724, 2352542, 2785905, 3528813, 3714540, 4705084, 5571810, 5881355, 7057626, 10586439, 11143620, 11762710, 14115252, 17644065, 21172878, 23525420, 35288130, 42345756, 52932195, 70576260, 105864390, 211728780]

約数ペア:

[(1, 211728780), (2, 105864390), (3, 70576260), (4, 52932195), (5, 42345756), (6, 35288130), (9, 23525420), (10, 21172878), (12, 17644065), (15, 14115252), (18, 11762710), (19, 11143620), (20, 10586439), (30, 7057626), (36, 5881355), (38, 5571810), (45, 4705084), (57, 3714540), (60, 3528813), (76, 2785905), (90, 2352542), (95, 2228724), (114, 1857270), (171, 1238180), (180, 1176271), (190, 1114362), (228, 928635), (285, 742908), (342, 619090), (380, 557181), (570, 371454), (684, 309545), (855, 247636), (1140, 185727), (1710, 123818), (3420, 61909)]